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			{{Short description|TV series characters}}
	In the long-running ] ] programme '']'' and related works, a '''companion''' refers to a character who travels with, and shares the adventures of the ]. The term is primarily used in ]; these characters are often referred to in the press as "assistants". The term was rarely used in the classic series (]–]), while the revived series (]–) makes more frequent use of the term. More often, however, the Doctor merely introduces his fellow leads as his "friends". In the 2005 series, the ] states that he "employed ] as companion".
			{{Multiple issues|
			{{Original research|date=January 2024}}
			{{Primary sources|date=January 2024}}
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			{{DISPLAYTITLE:Companion (''Doctor Who'')}}
			In the long-running ] ] programme '']'' and related works, the term "'''companion'''" refers to a character who travels with, or shares adventures with, the ]. A companion is generally the series' co-lead character alongside the Doctor for the duration of their tenure, and in most ''Doctor Who'' stories acts as an ] by providing the lens through which the viewer is introduced to the story, and often, the series itself.
			The companion character often furthers the story by asking questions (which helps the audience understand too) and getting into trouble; also by helping, rescuing, or challenging the Doctor. This designation is applied to a character by the show's producers and appears in the BBC's promotional material and off-screen fictional terminology. The Doctor also refers to the show's other leads as their "friends" or "assistants"; the British press have also used the latter term. {{TOC right}}
	The Doctor usually travels with one to three companions. In most ''Doctor Who'' stories, the companion provides a ] with whom the audience can identify, and furthers the story by asking questions and getting into trouble, or by helping or rescuing the Doctor. Most of the Doctor's companions have been human, with some exceptions such as Kamelion, Nyssa, Adric, Turlough, Astrid and Romana. Of the non-human companions, all apart from K-9 are (or were) members of ] races. To date, Romana and Susan are the only members of the Doctor's own race to travel with him.
			==History==
	The lives of the companions after their travels with the Doctor are rarely explored within the series. Three companions had memories of their adventures erased: Jamie and Zoe, by the Time Lords, and Donna, by the Doctor himself. Jamie and Zoe's only remaining memories were their first encounters with the Doctor whilst Donna had all memory of the Doctor erased, being re-introduced to him later as only "John Smith" who was visiting her grandfather ]. Some characters, specifically Susan, Jamie, Harry and Sarah Jane (and K-9 Mark III), have guest-starred in later stories. Zoe, Liz, Adric, Tegan, Nyssa, Turlough and Kamelion have reappeared in cameo roles, played by the original actors rather than in stock footage or still photos (e.g. Romana's later appearance in '']'').
			In the earliest episodes of ''Doctor Who'', the dramatic structure of the programme's cast was rather different from the hero-and-sidekick pattern that emerged later. Initially, the character of the Doctor was unclear, with uncertain motives and abilities.<ref>{{cite book |last1=Hayes |first1=Paul |title=Pull to Open: The Inside Story of How the BBC Created and Launched Doctor Who |date=2023 |publisher=Ten Acre Films |isbn=978-1-908630-84-1 |page=145 |quote="It's clear that the Doctor is to be a mysterious character... It's made clear that, whatever the mystery of the Doctor is, it may well never be known to the viewers."}}</ref> The primary protagonists were schoolteachers ] and ], who provided the audience's point of view in stories set in Earth's history and on alien worlds. Ian in particular served the role of the action hero. The fourth character was the Doctor's granddaughter, ], who (though initially presented as an "]") was intended as an identification figure for younger viewers.<ref>{{cite book |editor1-last=Ainsworth |editor1-first=John |title=Doctor Who: The Complete History: Volume 1 |date=2015 |publisher=Panini UK/Hachette Partworks |page=25 |quote="The old man would have a teenage girl companion for younger viewers to relate to, along with another couple between whom a romance could develop."}}</ref>
			], who played Susan Foreman, became unhappy with the lack of development for her character<ref>{{cite web |url=http://www2.canada.com/calgaryherald/news/entertainment/story.html?id=34a2011d-d8c6-4678-ba7a-896d33c429d6&p=1 |title='Doctor Who destroyed my career' |publisher=Canada |access-date=18 September 2013 |url-status=dead |archive-url=https://web.archive.org/web/20150518142447/http://www2.canada.com/calgaryherald/news/entertainment/story.html?id=34a2011d-d8c6-4678-ba7a-896d33c429d6&p=1 |archive-date=18 May 2015}}</ref> and chose to leave in the show's second series. The character of Susan was married off to a freedom fighter and left behind to rebuild a ]-ravaged Earth. Doctor Who's producers replaced Susan with another young female character, ].<ref>{{Cite web |title=The Rescue ★★★★ |url=https://www.radiotimes.com/tv/sci-fi/doctor-who-guide/the-rescue/ |access-date=27 January 2024 |website=Radio Times |language=en-GB}}</ref> Similarly, when Ian and Barbara left, the "action hero" position was filled by astronaut ].<ref name="radiotimes.com">{{Cite web |title=Doctor Who companions in order: From Susan Foreman to Ruby Sunday |url=https://www.radiotimes.com/tv/sci-fi/doctor-who-companions-in-order/ |access-date=27 January 2024 |website=Radio Times |language=en-GB}}</ref> This grouping of the Doctor, a young heroic male, and an attractive young female became the programme's pattern throughout the 1960s.
	On occasion, characters have functioned as companions to series villain ], among them ] and the Master's wife, ], whom he calls his "faithful companion".<ref>{{cite episode
	| title = Last of the Time Lords
	| episodelink = Last of the Time Lords
	| series = Doctor Who
	| serieslink = Doctor Who
	| credits = Writer ], Director ]
	| network = BBC
	| station = BBC One
	| airdate = 2007-06-30
	}}</ref>
			When the programme changed to colour in 1970, its format changed: the Doctor was now Earth-bound and acquired a supporting cast by his affiliation with the paramilitary organisation United Nations Intelligence Taskforce (]). The ], more active and physical than his predecessors, made the role of the "action hero" male companion redundant. In the ], the Doctor was assisted by scientist ] and ], along with other UNIT personnel. The intellectual Shaw was replaced by ] in the ], and as the programme returned to occasional adventures in outer space, the format shifted once more: while UNIT continued to provide a regular "home base" for Earth-bound stories, in stories on other planets, the Doctor and Jo became a two-person team with a close, personal bond. This pattern, the Doctor with a single female companion, became a template from which subsequent eras of ''Doctor Who'' rarely diverged.
	==History==
	{{Unreferenced section|date=November 2009}}
	When ''Doctor Who'' was created, the dramatic structure of the programme's cast was rather different from the hero-and-sidekick pattern that emerged later. Initially, the character of the Doctor was unclear, with uncertain motives and abilities. The protagonists were schoolteachers ] and ], who provided the audience's point-of-view in stories set in Earth's history and on alien worlds. Ian in particular served the role of the action hero. The fourth character was the Doctor's granddaughter ], who (though initially presented as an "]") was intended{{citation needed|date=November 2009}} as an identification figure for younger viewers.
			In 1974, the character of Harry Sullivan was created by the production team when it was expected that the ] would be played by an older actor who would have trouble with the activity expressed by his predecessor. The role went to 40-year-old ], and the part of Harry, no longer required for the action role, was dropped after one season.<ref>''The Handbook: Fourth Doctor'' p?</ref>
	], who played ], became unhappy with the lack of development for her character,{{citation needed|date=November 2009}} and chose to leave in its second series. The character of Susan was married off to a freedom fighter and left behind to rebuild a ]-ravaged Earth. ''Doctor Who'''s producers replaced Susan with another young female character, ]. Similarly, when Ian and Barbara left, the "action hero" position was filled by astronaut ]. This grouping of the Doctor, a young heroic male and an attractive young female became the programme's pattern throughout the 1960s.
			In the Fourth Doctor's ] (1980-1981), he acquired three companions (], ], and ]), and this situation continued under the Fifth Doctor for much of ]. Adric was written out by the method, unusual within the series, of being "killed off" in the serial '']''. By the time of the Sixth Doctor in 1985, a single companion had become standard again.
	When the programme changed to colour in 1970, its format changed: the Doctor was now Earth-bound, and acquired a supporting cast by his affiliation with the paramilitary organization ] (UNIT). The ], more active and physical than his predecessors, made the role of the "action hero" male companion redundant. In the 1970 season the Doctor was assisted by scientist ] and ], along with other UNIT personnel. The intellectual Shaw was replaced by ] in the 1971 season, and as the programme returned to occasional adventures in outer space, the format shifted once more: while UNIT continued to provide a regular "home base" for Earth-bound stories, in stories on other planets the Doctor and Jo became a two-person team with a close, personal bond. This pattern, the Doctor with a single female companion, became a template from which subsequent episodes of ''Doctor Who'' rarely diverged. The "heroic male" type occasionally returned (for example, ], ] and ]), but the single female companion was ''Doctor Who'''s staple.
			When the series returned in 2005, a single female companion remained the standard format, though intermittent and short-term companions also featured. More consistent exceptions occurred between ] and ], when the Eleventh Doctor travelled with ] and ], and ], where the Twelfth Doctor appeared alongside ] and ]. In conjunction with the introduction of the first female Doctor in 2018, the Thirteenth Doctor's era features multiple companions (both male and female) throughout.
	==Definition==		==Definition==
	There is no formal definition of what makes a companion. '']'' muses in its OrganGrinder blog, "How do you qualify? Name in the opening credits, regular trips in the Tardis?"<ref name="whois" /> The definition of who is and is not a companion becomes less clear in the newer series.<ref name="whois" /> The Doctor's primary companion (first ], then ], then ], and currently ]) fulfilled a distinct dramatic role, more significant than other, less-present TARDIS travellers such as Adam, Jack, and Mickey. The British press referred to Martha as the "first ethnic minority companion in the 43-year television history of ''Doctor Who''"<ref>{{cite news| url=http://entertainment.timesonline.co.uk/article/0,,23569-2256654.html | title=Sidekick whose time has come | author=Adam Sherwin | publisher=The Times | date=2006-07-05 | accessdate=2006-07-05 | location=London}}</ref> and the "first ] assistant",<ref>{{cite news | url=http://www.dailymail.co.uk/pages/live/articles/showbiz/showbiznews.html?in_article_id=394073&in_page_id=1773 | title=Doctor Who gets first black assistant | author=Richard Simpson | publisher=] | date=2006-07-05 | accessdate=2006-07-05}}</ref> despite the presence of Mickey Smith in the previous season—including several episodes in which he was invited to travel in the TARDIS with the Doctor.		Although the term "companion" is designated to specific characters by the show's producers and appears in the BBC's promotional material and off-screen fictional terminology, there is no formal definition that constitutes such a designation. The definition of who is and is not a companion becomes less clear in the newer series.<ref name="whois" /> During the Doctor's latest incarnations, his primary companions, such as ] and ], have fulfilled a distinct dramatic role, more significant than other, less prominent TARDIS travellers such as Adam, Jack, and Mickey. The British press referred to Martha as the "first ethnic minority companion in the 43-year television history of ''Doctor Who''"<ref>{{cite news |last=Sherwin |first=Adam |title=Sidekick whose time has come |url=https://www.thetimes.co.uk/article/sidekick-whose-time-has-come-c8r78gwq3t6 |work=The Times |location=UK |date=5 July 2006 |access-date=18 June 2022}}</ref> despite the presence of Mickey Smith in the previous series—including several episodes in which he travelled in the TARDIS with the Doctor.
	In the first two seasons of the renewed series, the only actor portraying a companion to be credited in the opening title sequence was ]. In subsequent seasons, ] and ] are credited in all episodes in which they appear, and in the third series, ] also appears in the title credits. Agyeman was also credited for her appearances in three episodes of series four. Piper, Agyeman, Barrowman and ] appeared in the sequence along with Tennant and Tate in the season finale of series four. The characters played by these actors are listed as companions on the BBC Website for ].<ref>{{cite web | title=BBC Doctor Who Series 4 Characters | url=http://www.bbc.co.uk/doctorwho/s4/characters | accessdate=2008-07-29}}</ref> Noel Clarke, who acted as a companion in the last episode and is listed as such on the website was not credited in this way. John Simm was credited in the opening title sequence of "]", Parts One and Two despite portraying one of the episode's antagonists, The Master, and not a companion.		The opening credits do little to clarify the situation. In the first two series of the renewed programme, the only supporting actor to receive a title credit is ], although short-term companions ] (]), ] (Jack Harkness) and ] (]) all appear. In the third series, Barrowman receives a title credit for his return to the show alongside permanent cast member ], and in series four Agyeman is restored to the opening titles for her return arc as ]. Series four also gives Agyeman, Piper, Barrowman, and ] title billing for their reappearances in the final two-parter. Clarke also reprises his role in the series four finale; although listed as a companion alongside the other actors on the BBC ''Doctor Who'' website,<ref>{{cite web |title=BBC Doctor Who Series 4 Characters |url=https://www.bbc.co.uk/doctorwho/s4/characters |access-date=1 June 2010}}</ref> Clarke is not credited in this way. In "]", ] receives title billing for his antagonist role as the ], ahead of ] as companion ]. In subsequent years, ], ] and ] have received title credits in special episodes for roles that are not considered companions, as does Piper for her non-companion return in "]".
	Companions in the new series have a more flexible tenure than their classical predecessors. Several companion characters have returned to the series after leaving the Doctor's company, most notably in the series four finale "]"/"]", which featured the return of Rose, Martha, Jack, Sarah Jane and Mickey. This tendency, and the increase in "one-off" companions like Astrid Peth or Jackson Lake, has further obscured the matter of who is and is not a companion.<ref name="whois">{{cite news |first=Stephen |last=Brook |title=Michelle Ryan guest stars in Doctor Who. But would she make a good companion? |url=http://www.guardian.co.uk/media/organgrinder/2009/jan/23/doctorwho-bbc |work=Organ Grinder |publisher=] |date=23 January 2009 |accessdate=25 January 2009 |quote=A minor factor in the continual swirl around Doctor Who is that what constitutes a Doctor Who companion is no longer clear. Sure, Rose, Martha and Donna were all companions. So was Captain Jack. But what about Mickey and Jackie? How do you qualify? Name in the opening credits, regular trips in the Tardis? The doctor kisses you? I'm no longer sure. Modern TV drama is so difficult.}}</ref>		Companions in the new series also have a more flexible tenure than their classical predecessors. Several companion characters have returned to the series after leaving the Doctor's company, most notably in the Series Four finale "]"/"]" (2008), which features a record eight past, present and future companions: Donna is joined by a returning Rose, Martha, Jack, Sarah Jane, and Mickey, while past companion K9 and future companion Wilfred Mott make appearances. This tendency, plus the increase in "one-off" companions like Astrid Peth and Jackson Lake, has further obscured the matter of who is and is not a companion.<ref name="whois">{{cite news |first=Stephen |last=Brook |title=Michelle Ryan guest stars in Doctor Who. But would she make a good companion? |url=https://www.theguardian.com/media/organgrinder/2009/jan/23/doctorwho-bbc |work=The Guardian |location=UK |date=23 January 2009 |access-date=1 June 2010 |quote=A minor factor in the continual swirl around Doctor Who is that what constitutes a Doctor Who companion is no longer clear. Sure, Rose, Martha, and Donna were all companions. So was Captain Jack. But what about Mickey and Jackie? How do you qualify? Name in the opening credits, regular trips in the Tardis? The Doctor kisses you? I'm no longer sure. Modern TV drama is so difficult.}}</ref>
	==Role==		==Role==
			The Doctor's companions have assumed a variety of roles—involuntary passengers, assistants (particularly ]), friends, and fellow adventurers; and, of course, he regularly gains new companions and loses old ones. Sometimes they return home, and sometimes they find new causes—or loves—on worlds they have visited. A few ] during their travels with the Doctor, such as the 12th Doctor's companion ]. Some have taken trips in the TARDIS by accident like Rose's mother, ].
	{{Refimprovesect|date=November 2009}}
			Most companions travel in the TARDIS with the Doctor for more than one adventure. Sometimes a guest character takes a role in the story similar to that of a companion, such as photographer Isobel Watkins, who plays a significant role in '']'' (1968), or Lynda Moss in "]" and "]" (2005). In the revived era, some guest characters have gained companion status such as ], ], ], and Craig Owens.
			Despite the fact that the majority of the Doctor's companions are young, attractive females, the production team for the 1963–89 series maintained a long-standing taboo against any overt romantic involvement in the TARDIS: for example, ], as the ], was not allowed to put his arm around either ] (]) or ] (]).<ref>Commentary on DVD of '']''</ref> The taboo was controversially<ref>{{citation |title=BBC – Doctor Who Classic Episode Guide – Doctor Who: The TV Movie – Details |url=https://www.bbc.co.uk/doctorwho/classic/episodeguide/tvmovie/detail.shtml |access-date=21 April 2013}}</ref> broken in the ] when the ] was shown kissing companion ]. The 2005 series played with this idea by having various characters think that the ] and ] were a couple, which they vehemently denied. Since the series revival, the Doctor has kissed many of his companions, including Rose and ], although each instance was not necessarily in a romantic context (see also ]). In ] of the revival, the ] and Rose develop a romantic connection.<ref name="radiotimes.com"/> Rose mentions sharing a mortgage with him if he were to ever be trapped with her in "]". At the end of Series 2, in "]", Rose and the Doctor are forcibly separated. The Doctor "burns up a sun to say goodbye" and Rose tells him "I love you". Rose and Martha each developed romantic feelings toward the Doctor. On the opposite side of the same coin, Amy reacted to the stress of her adventures by very aggressively trying to seduce the Doctor on the eve of her own wedding, despite being in love with her fiancé Rory; the Doctor forcibly pushed her off of himself, though she did not immediately cease her pursuit.<ref>"]", "]... 2"</ref> The ] also formed a romantic connection with occasional companion ],<ref>"]"</ref> later marrying her.<ref>"]"</ref>
			===Returning to the series===
			Companions rarely returned during the classic series, with the notable exceptions of '']'' (1983) and '']'' (1985), where companions returned alongside their respective Doctors. Otherwise, only ] (]) reappears shortly after his departure as a companion in '']'' (1975), and all of the ]'s former companions make cameo appearances as he regenerates in '']'' (1984). Original companion ] (]) was planned to return in '']'' (1983), but proved unavailable,<ref>{{cite web | url=https://www.bbc.co.uk/programmes/articles/3hJlgjbPrTqgrcd7kxLt7zp/the-fourth-dimension | title=BBC One - Doctor Who, Season 20, Mawdryn Undead - the Fourth Dimension }}</ref> and ] declined an offer to return as ] for ] (1982).<ref name="DSinterview">{{cite web |first=Ben |last=Rawson-Jones |url=http://www.digitalspy.com/british-tv/s7/doctor-who/interviews/a90187/louise-jameson-doctor-who.html |title=Louise Jameson ('Doctor Who') |publisher=] |date=17 February 2008 |access-date=30 November 2013 |archive-date=3 December 2013 |archive-url=https://web.archive.org/web/20131203180916/http://www.digitalspy.com/british-tv/s7/doctor-who/interviews/a90187/louise-jameson-doctor-who.html |url-status=live }}</ref>
			Since the programme's return in 2005, companions have returned to the series more routinely. With the exception of ] (]) and ] (]), all regular companions have returned in some form for their Doctor's final episodes. Additionally, following her initial departure in ] (2006), ] (]) returned in ] (2008), appearing briefly throughout the series before fulfilling a starring role in the final three episodes.<ref>{{cite web|url=http://www.digitalspy.co.uk/tv/s7/doctor-who/news/a103792/davies-rose-is-harder-for-dr-who-return.html|title=Davies: Rose is "harder" for 'Dr Who' return|work=]|publisher=]|last=Rawson-Jones|first=Ben|date=25 June 2008|access-date=18 March 2012}}</ref> Piper reprised the role again in the fiftieth anniversary special "]".<ref name=Anglophenia>{{cite web|first=Kevin|last=Wicks|url=http://www.bbcamerica.com/anglophenia/2013/11/doctor-steven-moffat-explains-billie-pipers-role-50th/|title='Doctor Who': Steven Moffat Explains Billie Piper's Role in the 50th|publisher=]|date=24 November 2013|access-date=25 November 2013|archive-date=3 December 2013|archive-url=https://web.archive.org/web/20131203004324/http://www.bbcamerica.com/anglophenia/2013/11/doctor-steven-moffat-explains-billie-pipers-role-50th/|url-status=dead}}</ref> Similarly, ] (]) departed in ] (2007) but also returned for multiple episodes of series 4, as well as an arc in series 2 of spin-off series '']'' (2008).<ref name="BBC">{{cite web|url=https://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/07/02/46692.shtml |archive-url=https://web.archive.org/web/20090104232923/http://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/07/02/46692.shtml |archive-date=4 January 2009 |title=More Martha! |publisher=] |date=2 July 2007 |url-status=dead }}</ref><ref name="Gardner">{{cite web
			|last=Elliott
			|first=Sean
			|title=Exclusive interview: 'Doctor Who' & 'Torchwood' series producer Julie Gardner teases next seasons of each show
			|work=iF Magazine
			|publisher=Electric Entertainment
			|date=30 July 2007
			|url=http://www.ifmagazine.com/feature.asp?article=2267
			|access-date=30 July 2007
			|archive-url=https://web.archive.org/web/20070927224708/http://www.ifmagazine.com/feature.asp?article=2267
			|archive-date=27 September 2007
			|url-status=dead
			}}</ref> Following her initial one-off appearance in "]" (2006), ] (]) served as the primary companion throughout series 4, before returning again in the ] (2023).<ref name="return">{{cite news|url= http://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/07/03/46831.shtml |archive-url=https://web.archive.org/web/20080218175211/http://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/07/03/46831.shtml|archive-date=18 February 2008| publisher=]|title=Donna says "I do!"|date= 3 July 2007|access-date = 3 July 2007}}</ref><ref name="BBC News Return">{{cite web |last1=Mzimba |first1=Lizo |title=Doctor Who: David Tennant and Catherine Tate to return |url=https://www.bbc.co.uk/news/entertainment-arts-61455936 |website=BBC News |access-date=15 May 2022 |date=15 May 2022}}</ref><ref name="DoctorDonnaReturn">{{cite web|title=Doctor Who's David Tennant and Catherine Tate to return to the show|last=Hooton|first=Kayleigh|publisher=]|url=https://www.digitalspy.com/tv/a40002140/doctor-who-david-tennant-catherine-tate-60th-anniversary/|date=15 May 2022|access-date=16 May 2022}}</ref>
			Classic era companions have also returned to the new series, beginning with ] as ]. Following her initial reappearance in "]" (2006), Sladen led spin-off series '']'' (2007–2011), and returned to ''Doctor Who'' in "]" / "]" (2008) and "]" (2010). Former companion ] (]) also appeared in the ''Sarah Jane Adventures'' story '']'' (2010), where she meets the ]. In "]" (2022), ] (]) and ] (]) return to the series as one-off companions, with Ian, Jo and ] (]) also briefly appearing.<ref name="Companion Support Group">{{Cite web|url=https://www.radiotimes.com/tv/sci-fi/doctor-who-classic-companions-interview-exclusive-newsupdate/|title=Doctor Who's classic companions on their return: "It was a total joy"|last=Mulkern|first=Patrick|date=23 October 2022|accessdate=9 September 2024|work=]|archive-date=3 November 2022|archive-url=https://web.archive.org/web/20221103204154/https://www.radiotimes.com/tv/sci-fi/doctor-who-classic-companions-interview-exclusive-newsupdate/|url-status=live}}</ref> Melanie subsequently appears in a recurring role as a member of ], alongside the ] and ]s.
			==Families and childhoods==
			In the classic era, companions' friends and families were rarely depicted, and almost all were kept unaware of the true nature of the Doctor and the TARDIS.
			Conversely, families and friends of most companions in the revived era are extensively depicted, and their adventures with the Doctor are generally not kept secret. The revived era has also featured a number of companions related to other companions by blood or marriage (Donna Noble's grandfather Wilfred Mott; Amy Pond's fiancé (later husband) Rory Williams, and the couple's daughter River Song; former companions Mickey Smith and Martha Jones who married subsequent to their companionship; Graham O'Brien and step-grandson Ryan Sinclair).<ref>Statement by Mickey Smith to Martha Smith-Jones in "]"</ref> No such relationships occurred among companions in the classic era, although original companions ] and ] are reported in the revived era to have married subsequent to their companionship, and ] are likewise reported to be together.<ref>Statement by Sarah Jane Smith to Luke Smith in the epilogue scene of '']'' part 2</ref> The families of some classic-era companions too have been depicted in the revived era, such as Jo Grant (now known as Jo Jones)'s grandson Santiago Jones;<ref>'']''</ref> and Sarah Jane Smith's parents,<ref>'']''</ref> adopted son Luke Smith, adopted daughter ], and alternate timeline fiancé Peter Dalton;<ref>'']''</ref> and Alistair Lethbridge-Stewart's daughter Kate Stewart.<ref>"]", "]"</ref>
			Another change in the revived era is the depiction of many companions' pre-Doctor lives, particularly their childhoods; no companion was so depicted in the classic era. Companions Rose Tyler,<ref>"]"</ref> Mickey Smith,<ref>''Ibid.''</ref> Adelaide Brooke,<ref>"]"</ref> Amy Pond,<ref>"]", "]", "]", "]", "]"</ref> Rory Williams,<ref>"]"</ref> River Song<ref>"]", "]", "]", "]"</ref> and ]<ref>The prequel to "]"</ref> have all been portrayed in their youths by juvenile actors on ''Doctor Who''; the pre-companionship lives of the Pond-Williams-Song family being particularly well-documented. Companions Jack Harkness<ref>"]"</ref> and Sarah Jane Smith<ref>'']'', '']''</ref> have also been depicted in their youths on their respective spin-off series.
			==Loss of a companion==
			In the original run of the show, companions were mostly written as leaving of their own accord, with only a few exceptions.<ref name="SROvsR">{{cite web |last1=Berger |first1=Matt |title=Doctor Who: Original Series vs Revival Series - Which One Is Better? |url=https://screenrant.com/doctor-who-original-revival-series-better-worse/#classic-companions-got-happy-endings |website=ScreenRant |access-date=27 February 2024 |language=en |date=21 October 2019}}</ref> The first death of a regular companion was of ], in the 1982 serial '']''.<ref name="GRmort">{{cite web |last1=Oxman |first1=Demaris |title=Doctor Who: Comparing The Mortality Rates Of The Classic & Modern Shows |url=https://gamerant.com/doctor-who-comparing-mortality-rates-classic-modern-shows/ |website=Game Rant |access-date=27 February 2024 |language=en |date=26 November 2022}}</ref> This is different in the revived era, with companions more often given tragic endings and the show exploring the theme of loss more.<ref name="SROvsR" /> Demaris Oxman makes further distinction of the way this theme is explored by different showrunners, arguing that companions in ]'s time as showrunner tended to have more tragic endings, while ] wrote departures closely tied to each companion's character.<ref name="GRmort" />
			The impact of such losses has been explored within the show. For example, the loss of Amy and Rory Williams drives the Eleventh Doctor into solitude in Victorian London where he refuses to get involved in the world's affairs anymore.<ref>{{citation | url=https://www.bbc.co.uk/programmes/p011gpsb | title=Doctor Who, The Snowmen | access-date=26 April 2013|work=BBC}}</ref> ] dealt with the Twelfth Doctor's growing fear over the potential of losing Clara Oswald.<ref group="nb">Expressed in "]", "]", "]", "]", and "]"</ref> Her death in "]" leads the Doctor to undertake extreme measures to undo her fate, as depicted in the Series 9 finale "]". The impact of the death of his wife, River Song, is a subplot of both "]" and "]".
	Companions have assumed a variety of roles in ''Doctor Who'', as involuntary passengers, as assistants ''per se'' (particularly ]), as disciples<!--??-->, as friends, and as fellow adventurers.
			Steven Moffat, showrunner between 2010 and 2017, has stated that companion deaths are "wrong for ''Doctor Who''", explaining that he does not believe the show should represent the "grittiness" of real life.<ref>{{cite web |last1=Prince |first1=Martin |title=Doctor Who: Steven Moffat on why companions can't die |url=https://cultbox.co.uk/news/doctor-who-steven-moffat-on-why-companions-cant-die |website=CultBox |access-date=27 February 2024 |date=8 August 2017}}</ref>
	The Doctor regularly gains new companions and loses old ones; sometimes they return home, or find new causes—or loves—on worlds they have visited. Some companions (notably ], ], ] and ]) have died during the course of the series.
			==={{anchor|Deaths of companions}}Deaths===
	Most companions travel in the ] with the Doctor for more than one adventure, although there are exceptions. Sometimes a guest character will take a role in the story similar to that of a companion, such as photographer Isobel Watkins who plays a significant role in "]" in the classic series, or Lynda in "]" and "]" in the revived series.
			Several companions are shown to have died in the show's history:
			*Katarina, killed in episode 4 of '']'' when she opens the ] of a spaceship after being taken hostage by a convict.
			*] is killed in episode 12 of ''The Daleks' Master Plan'' when she undergoes extreme ageing as a side effect of the ]'s activation of a Time Destructor device.<ref>''Doctor Who: Companions'', 1995</ref>
			*] dies at the end of Episode 4 of '']'' while trying to prevent the explosion of a bomb-laden space freighter in Earth's atmosphere.
			*Kamelion, an android companion, is destroyed by the Fifth Doctor in Episode 4 of '']'' as an act of mercy after Kamelion is taken over by the Master and asks the Doctor to destroy him.
			*] sacrifices himself in "]" to save the Doctor and his friends from a group of aliens. The subsequent K-9 Mark IV that the Doctor leaves with Sarah Jane tells her that the Mark III's files have been transferred to the new machine.
			*] sacrifices herself to kill ] by driving him into a reactor core at the end of "]". The Tenth Doctor partially resurrects her and sends her atoms into space.
			*Adelaide Brooke kills herself in "]" to preserve a fixed point in time.
			Others are implied (or said) to have died years after parting company with the Doctor:
			*The Eleventh Doctor learns of the death of ] in "]" via phone call, coinciding with the death of actor ].
			*] is confirmed to be dead by 2023 in "]" by the Fifteenth Doctor when talking to the Fourteenth Doctor about what they had lost, adding that they "loved her". The 2020 webcast ‘Farewell Sarah Jane’ depicts her funeral, with numerous past companions attending as well as the children she mentored in ].
			*] is implied to have at some point died a permanent death but is able to continue living indefinitely after departing the Doctor.
			==== Mitigations ====
	Despite the fact that the majority of the Doctor's companions are young, attractive females, the production team for the 1963–1989 series maintained a long-standing taboo against any overt romantic involvement in the TARDIS: for example, ], as the ], was not allowed to put his arm around either ] (]) or ] (]).<ref>Commentary on DVD of ]</ref> However, that has not prevented fans from speculating about possible romantic involvements, most notably between the ] and the Time Lady ] (whose actors, ] and ], shared a romance and brief marriage). The taboo was controversially{{citation needed|date=November 2009}} broken in the ] when the ] was shown kissing companion ]. The 2005 series played with this idea by having various characters think that the ] and ] were a couple, which they vehemently denied. Since the series revival, the Doctor has kissed companions Rose, Jack, Mickey (on the forehead), Martha, Astrid and Donna, although each instance not in a romantic context (see also ]).
			Not all companion deaths have been permanent. Several companions have been resurrected at some point in the series, including ], ], ], and ]. Other companions died in alternate timelines or alternate lives. In '']'', evil counterparts of ], ], and ] died in the destruction of their universe's Earth.<ref>'']''</ref>
			*In '']'' ] is killed by King Yrcanos in '']'' after her brain is replaced by that of Kiv, a member of the ] race. In '']'', however, it is revealed that Peri had not been killed and had become Yrcanos's consort.
	Previous companions have reappeared in the series, usually for anniversary specials. One former companion, ] (played by ]), together with the robotic dog ], appeared in ] of the 2006 series more than twenty years after their last appearances in the 20th anniversary story '']'' (1983). The character of Sarah Jane also heads up a ], '']''. Another companion, ], appears in the spin-off programme '']''.
			*] is killed by ], but revived by the TARDIS's link to the Eye of Harmony during the ].
			*] is killed by Daleks, but is brought back to life and given immortality by ] in "]". He died several times in ''Doctor Who'' and ''Torchwood'', always returning to life soon afterwards. In "]" it is hinted that Harkness might become the ], who dies peacefully in "]" after living for billions of years.
			*] sacrifices herself in "]" to save the Doctor's life, but he uploads a digital copy of her consciousness to the data core. River continues to appear in the series at earlier points in her life, and her post-death consciousness reappears in "]"
			*] is killed several times throughout his run. First by the ] Restac at the end of "]", sacrificing himself to protect the Doctor. He is consumed by a crack in time, which wipes him from existence. Rory reappears in "]" as an ] duplicate created from Amy Pond's memories, and is restored to his old life with the rest of the universe in "]". He is shown dying of old age in "The Angels Take Manhattan", in front of himself, ], the Eleventh Doctor and his daughter River Song. He and Amy negate the timeline by jumping off a roof, preventing him from being sent further back in time to die of old age downstairs. This kills them both, but they are resurrected when the timeline where they died is negated.<ref>{{Cite web |last=Walters |first=Jack |date=2023-01-25 |title=Doctor Who: Every Time Rory Williams Died & Came Back To Life |url=https://screenrant.com/doctor-who-every-rory-williams-death-return/ |access-date=2024-06-21 |website=ScreenRant |language=en}}</ref>
			*Amy and Rory are touched by a ] and become stuck in Manhattan in "]". They then die of old age.<ref name="RTARCB">{{cite web |title=Doctor Who brutally references Amy Pond and more companions in The Giggle |url=https://www.radiotimes.com/tv/sci-fi/doctor-who-the-giggle-amy-pond-reference-newsupdate/ |access-date=22 February 2024 |website=Radio Times}}</ref>
			*An older version of Amy is erased from existence in "]" after helping the Doctor and Rory rescue a younger Amy. When the Doctor admits that both Amys cannot exist in the same timeline, the older Amy chooses to stay behind.
			*Clara is killed during "]" but resurrected by the Doctor in "]".<ref name="RTARCB" />
			*] is shot and killed by the colony ship's last crew member to halt the advance of the ] in "]". She is converted into an original ] and, during "]", is saved from her grim fate by being turned into sentient humanoid oil by an alien from her first episode.<ref name="RTARCB" />
			==== Spin-off media ====
	When ''Doctor Who'' ] in ], the companion characters played a slightly different role, partly due to a strong focus on the character of Rose Tyler and characters connected to her. For example, although ] was a companion by the standard definition, he appeared in only two episodes and was arguably a less significant part of the 2005 series than Rose's sometime boyfriend ], who was not technically a companion but appeared in five episodes (or six, including a brief appearance as a child in "]"). Mickey later gained full-fledged companion status when he travelled in the TARDIS in the ] episode "]". In that episode, Sarah Jane Smith referred to Rose as the Doctor's "assistant", a term to which the latter took offence. This exchange might be regarded as indicating the new series' shift in approach to the companion role.
			Several TV companions have died in spin-off media:
			*] dies in the 1997 ] novel '']'' by ], the victim of an extraterrestrial ] virus contracted while part of a UNIT team investigating an alien artefact on the ]. This is contradicted by '']'' episode '']'', which indicates that Liz Shaw is alive and working on the Moon in 2010; the novel is set in 2003.
			*Ace is killed by an explosion in the comic storyline ''Ground Zero'' while a companion of the ]. This is also contradicted by the ''Sarah Jane Adventures'' storyline ''Death of the Doctor'' which indicates she is still alive in 2010, no longer travelling with the Doctor, and running a charity called ACE. Ace then appeared in 2022's ''The Power of the Doctor''.
			*Jamie McCrimmon dies an elderly man in the comic storyline ''The World Shapers''.
			*Adam Mitchell is killed by an explosion in the comic storyline ''Prisoners of Time'', sacrificing himself to thwart the Master's attempt to destroy reality and saving all eleven Doctors and their companions.
			*Leela dies long after Gallifrey is destroyed (it is implied that she survived the Time War) in a trilogy of Big Finish's Companion Chronicles stories, where she is held prisoner by an alien race called the Z'nai.
			*In the 2020 web story ''Farewell, Sarah Jane'', Sarah Jane Smith is said to have died.
			==List of companions on television==
	Sarah Jane Smith is the only classic companion to have been asked to travel again by the Doctor, 30 years later.
			The "last serial" column only includes the last serial in which they appeared in a companion role and excludes minor roles, cameos, flashbacks, and so forth. Also, the table refers solely to adventures with the respective Doctor. Some companions who appear with two or more Doctors appear in separate tables.
	==List of television companions==
	===First Doctor===		===First Doctor===
			{{further|First Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who season 1|label1=Season 1|Doctor Who season 2|label2=Season 2|Doctor Who season 3|label3=Season 3|Doctor Who season 4|label4=Season 4|The Five Doctors}}
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="13%" | Companion		! scope="col" style="width:15%;"| Companion
	! width="13%" | Actor/Actress		! scope="col" style="width:15%;"| Actor
	! width="6%" | Seasons		! scope="col" style="width:10%;"| Seasons
	! width="25%" | First appearance		! scope="col" style="width:20%;"| First serial
	! width="25%" | Last appearance		! scope="col" style="width:20%;"| Last serial
	! width="12%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'',<ref group="nb">Susan travelled with the Doctor prior to the events of "An Unearthly Child".</ref> || '']''<ref name="The Dalek Invasion of Earth">{{cite serial | title = ] | series = ] | credits = Writer ], Director Richard Martin, Producers ], ] | network = ] | station = ] | city = ] | began = 1964-11-21 | ended = 1964-12-26}}</ref> || ]
			| ]
			| 1, 2, 1983 special
			| align="center"|'']''<ref group="nb">Susan travelled with the Doctor prior to the events of ''An Unearthly Child''.</ref>
			| align="center"|"]"<ref group="nb">Susan leaves the Doctor in '']'', later appearing in "The Five Doctors" as companion to the First Doctor (then played by ]).</ref>
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] ||'']''<ref name="An Unearthly Child">{{cite serial | title = ] | series = ] | credits = Writers ], ], Directors ], ], Producers ], ] | network = ] | city = ] | began = 1963-11-23 | ended = 1963-12-14}}</ref><ref group="nb" name="Barbara and Ian">The Doctor takes Barbara and Ian from their time against their will in "An Unearthly Child".</ref> || '']''<ref name="The Chase">{{cite serial | title = ] | series = ] | credits = Writer ], Directors Richard Martin, ], Producers ] | network = ] | station = ] | city = ] | began = 1965-05-22 | ended = 1965-06-26}}</ref> || ]
			| ]
			| 1, 2
			| align="center"| ''An Unearthly Child''
			| align="center"| '']''
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']''<ref name="An Unearthly Child"/><ref group="nb" name="Barbara and Ian"/> || '']''<ref name="The Chase"/> || ]
			| ]
			| 1, 2
			| align="center"| ''An Unearthly Child''
			| align="center"| ''The Chase''<ref group="nb" name="Power">Also makes a cameo appearance in "]"</ref>
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] ||'']''<ref name="The Rescue">{{cite serial | title = ] | series = ] | credits = Writer ], Director ], Producer ], ] | network = ] | station = ] | city = ] | began = 1965-01-02 | ended = 1964-01-09}}</ref><ref group="nb">Vicki joins the ] crew at the end of her first story, ''The Rescue''.</ref> || '']''<ref name="The Myth Makers">{{cite serial | title = ] | series = ] | credits = Writer ], Directors Michael Leeston-Smith, Producer ] | network = ] | station = ] | city = London | began = 1965-10-16 | ended = 1965-11-06}}</ref> || ]
			| ]
	|-
			| 2, 3
	| ] || ] || ]–] || '']''<ref name="The Chase"/><ref group="nb">Unbeknown to the Doctor and Vicki, Steven took refuge in the TARDIS during the events of "The Planet of Decision" and is not discovered by them until "The Watcher".</ref> || '']''<ref name="The Savages">{{cite serial | title = ] | series = ] | credits = Writer ], Director ], Producer ] | network = ] | station = ] | city = ] | began = 1966-05-28 | ended = 1966-06-18}}</ref><ref group="nb">Steven left the Doctor in "Bell of Doom", episode four of '']'', but returned to him shortly afterwards in the same episode.</ref> || ]
			| align="center"| '']''
	|-
			| align="center"| '']''
	| ] || ] || ] || '']''<ref name="The Myth Makers">{{cite serial | title = ] | series = ] | credits = Writer ], Directors Michael Leeston-Smith, Producer ] | network = ] | station = ] | city = ] | began = 1965-10-16 | ended = 1965-11-06}}</ref> || '']''<ref name="The Daleks' Master Plan">{{cite serial | title = ] | series = ] | credits = Writers ], ], Director ], Producer ] | network = ] | station = ] | city = ] | began = 1965-11-13 | ended = 1966-01-29}}</ref> || ]
	|-		|-
			! scope="row"| ]
	| ]<ref>{{cite book | last = Robinson | first = Nigel | authorlink = Nigel Robinson | coauthors = ] | title = The Doctor Who Quiz Book | publisher = ] | date = 1981 | pages = 39 and 98 | isbn = 0426-20143-4 }}<br />{{cite book | last = Lofficier | first = Jean-Marc | authorlink = Jean-Marc Lofficier | title = The Doctor Who Programme Guide Third Edition | publisher = ] | date = 1994 | pages = 16, 43 and 45 | isbn = 0-426-20342-9}}<br />{{cite book | last = Howe | first = David J. | authorlink = David J. Howe | coauthors = ] and ] | title = Doctor Who The Handbook – The First Doctor | publisher = ] | date = 1994 | isbn = 0-426-20430-1 | page = 297 }}<br />{{cite book | last = Richards | first = Justin | authorlink = Justin Richards | coauthors = Martin, Andrew | title = Doctor Who The Book of Lists | publisher = ] | date = 1997 | pages = 13 and 218 | month = | isbn = 0-563-40569-4 }}<br />{{Citation | last = Pixley | first = Andrew | title = ] | issue = 272 | page = 21 | date = 16 December | year = 1998}}<br />{{cite book | last = Campbell | first = Mark | authorlink = Mark Campbell | coauthors = Duncan, Paul | title = The Pocket Essential Doctor Who | publisher = ] | date = 2000 | pages = 20–21 | isbn = 1-903047-19-6 }}<br />{{cite web | last = Cornell | first = Paul | authorlink = Paul Cornell | coauthors = ], ], ] and ] | title = The Daleks' Master Plan | work = Doctor Who: Classic Series Episode Guide | publisher = BBC | date = 1995, 1998 and 2003 | url = http://www.bbc.co.uk/doctorwho/classic/episodeguide/daleksmasterplan/detail.shtml | accessdate = 2007-09-14 }}</ref> || ] || ] || '']''<ref name="The Daleks' Master Plan"/>||'']''<ref name="The Daleks' Master Plan"/> || ]<ref group="nb" name="Sara Kingdom">Sara Kingdom is not included in all lists of companions - the BBC's list of companions at http://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/ excludes her.</ref>
			| ]
			| 2, 3
			| align="center"| ''The Chase''
			| align="center"| '']''
	|-		|-
			! scope="row"| Katarina
	| ] || ] || ] || '']''<ref name="The Massacre of St Bartholomew's Eve">{{cite serial | title = ] | series = ] | credits = Writers ], ], Director ], Producer ] | network = ] | station = ] | city = ] | began = 1966-02-05 | ended = 1966-02-26}}</ref> || '']''<ref name="The War Machines">{{cite serial | title = ] | series = ] | credits = Writer ], ] (idea), Director ], Producer ] | network = ] | station = ] | city = ] | began = 1966-06-25 | ended = 1966-07-16}}</ref>|| ]
			| ]
			| 3
			| align="center"| ''The Myth Makers''
			| align="center"| '']''
	|-		|-
			! scope="row"| ]{{efn|group="nb"|name="Sara Kingdom"|The inclusion of Sara Kingdom as a companion varies; e.g. she does not appear on list of companions. However, she is listed as a companion in many other sources.<ref>{{cite book | last = Robinson | first = Nigel | author-link = Nigel Robinson | author2 = Nathan-Turner, John | author-link2 = John Nathan-Turner | title = The Doctor Who Quiz Book | publisher = ] | year = 1981 | pages = | isbn = 0-426-20143-4 | url-access = registration | url = https://archive.org/details/doctorwhoquizboo00robi/page/39 }}</ref><ref>{{cite book | last = Lofficier | first = Jean-Marc | author-link = Jean-Marc Lofficier | title = The Doctor Who Programme Guide Third Edition | publisher = ] | year = 1994 | pages = | isbn = 0-426-20342-9 | url = https://archive.org/details/doctorwhoprogram0000loff_l4d5/page/16 }}</ref><ref>{{cite book | last1 = Howe | first1 = David J. |last2=Stammers|first2= Mark|author3-link=Stephen James Walker|last3=Walker|first3=Stephen James | title = Doctor Who The Handbook&nbsp;– The First Doctor | publisher=] | year = 1994 | isbn = 0-426-20430-1 | page = 297 }}</ref><ref>{{cite book | last = Richards | first = Justin | author-link = Justin Richards |author2=Martin, Andrew | title = Doctor Who The Book of Lists | publisher=] | year = 1997 | pages = 13 and 218 | isbn = 0-563-40569-4 }}</ref><ref>{{cite journal |journal=Doctor Who Magazine |last = Pixley | first = Andrew | title = ] | issue = 272 | page = 21 | date = 16 December 1998 }}</ref><ref>{{cite book | last = Campbell | first = Mark |date=April 2014 |author2=Duncan, Paul | title = The Pocket Essential Doctor Who | publisher=] | pages = 20–21 | isbn = 978-1-903047-19-4 }}</ref><ref>{{cite web | last1 = Cornell | first1 = Paul | author1-link = Paul Cornell | author2-link=Martin Day (writer)|first2=M.|last2=Day|author3-link=Keith Topping|first3=K.|last3=Topping|author4-link= David J. Howe|first4=D. J.|last4=Howe|author5-link=Stephen James Walker|first5=S. J.|last5=Walker | title = The Daleks' Master Plan | work=Doctor Who: Classic Series Episode Guide |publisher=BBC | date = 1995 | url = http://www.bbc.co.uk/doctorwho/classic/episodeguide/daleksmasterplan/detail.shtml | access-date = 1 June 2010 }}</ref>}}
	| ] || ] || ]–] || '']'' ||'']'' || ]
			| ]
			| 3
			| align="center" colspan="2"| ''The Daleks' Master Plan''
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'' ||'']'' || ]
			| ]
			| 3
			| align="center"| '']''
			| align="center"| '']''
			|-
			! scope="row"| ]
			| ]
			| 3, 4
			| align="center"| ''The War Machines''
			| align="center"| '']''<ref group="nb" name="regeneration1">Polly and Ben continue travelling with the Doctor following his regeneration in ''The Tenth Planet''.</ref>
			|-
			! scope="row"| ]
			| ]
			| 3, 4
			| align="center"| ''The War Machines''
			| align="center"| ''The Tenth Planet''<ref group="nb" name="regeneration1" />
	|}		|}
	<references group="nb" />
	===Second Doctor===		===Second Doctor===
			{{further|Second Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who season 4|label1=Season 4|Doctor Who season 5|label2=Season 5|Doctor Who season 6|label3=Season 6|The Five Doctors|Doctor Who season 22|label5=Season 22}}
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Seasons
			! scope="col" style="width:20%;"| First serial
			! scope="col" style="width:20%;"| Last serial
	|-		|-
			! scope="row"| ]
	! width="13%" | Companion
			| ]
	! width="13%" | Actor/Actress
			| 4
	! width="6%" | Seasons
			| align="center"| '']''
	! width="25%" | First serial
			| align="center"| '']''
	! width="25%" | Last serial
	! width="12%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || '']'' ||'']''<ref name="The Faceless Ones">{{cite serial | title = ] | series = ] | credits = Writers ] and ], Director Gerry Mill, Producer ] | network = ] | station = ] | city = ] | began = 1967-04-08 | ended = 1967-05-13}}</ref> || ]
			| ]
			| 4
			| align="center"| ''The Power of the Daleks''
			| align="center"| ''The Faceless Ones''
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || '']'' || '']''<ref name="The Faceless Ones"/> || ]
			| ]<ref group="nb">Jamie is played by ] in parts of '']'' episodes 2 and 3, while Frazer Hines was suffering from chickenpox.</ref>
			| 4, 5, 6, 22
			| align="center"| '']''
			| align="center"| '']''<ref group="nb">Jamie returns to his own time in ''The War Games'', but later appears in the Sixth Doctor-era story ''The Two Doctors'', again as the Second Doctor's companion.</ref><ref group="nb" name="fivecameos">Also makes a cameo appearance in "]"</ref>
	|-		|-
			! scope="row"| ]
	| ] || ]<br /><small>]<ref group="nb">Jamie was played by Hamish Wilson in '']'' episodes 2 and 3.</ref></small> || ]–] || '']''<ref name="The Highlanders">{{cite serial | title = ] | series = ] | credits = Writers ], ], Director ], Producer ] | network = ] | station = ] | city = ] | began = 1966-12-17 | ended = 1967-01-07}}</ref> || '']''<ref name="The War Games">{{cite serial | title = ] | series = ] | credits = Writers ] and ], Director ], Producer ] | network = ] | station = ] | city = ] | began = 1969-04-19 | ended = 1969-06-21}}</ref><ref group="nb">Jamie later appears in the Sixth Doctor-era story '']'', once more alongside the Second Doctor.</ref> || ]
			| ]
			| 4, 5
			| align="center"| '']''
			| align="center"| '']''
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'' || '']'' || ]
			| ]
			| 5, 6
			| align="center"| '']''
			| align="center"| '']''<ref group="nb" name="fivecameos" />
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'' || '']''<ref name="The War Games"/> || ]
			| ]
			| 1983 special
			| align="center" colspan="2"| "]"<ref group="nb">First appears in '']'' (as Colonel) and '']'' alongside the Second Doctor, before appearing as a semi-regular character throughout the Third Doctor's era. He further appears in '']'' and '']'' alongside the Fourth Doctor, and '']'' alongside the Fifth Doctor before serving as the Second Doctor's companion in "The Five Doctors". He subsequently appears in '']'' story '']''.</ref>
	|}		|}
	<references group="nb" />
	===Third Doctor===		===Third Doctor===
			{{further|Third Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who season 7|label1=Season 7|Doctor Who season 8|label2=Season 8|Doctor Who season 9|label3=Season 9|Doctor Who season 10|label4=Season 10|Doctor Who season 11|label5=Season 11|The Five Doctors}}
			The final three listed characters, all associated with ] during the Third Doctor's exile to Earth, are sometimes considered his companions despite appearing irregularly during his tenure.<ref>{{cite book | last = Haining | first = Peter | author-link = Peter Haining (author) | title = Doctor Who: A Celebration&nbsp;– Two Decades Through Time And Space | publisher=] | year = 1983 | page = 85 | isbn = 0-86369-932-4 }}</ref><ref>{{cite web | first = | title = Companions | work=Doctor Who: Classic Series Episode Guide |publisher=BBC | year = 2007 | url = http://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/ | doi = | access-date = 14 September 2007 }}</ref>
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="10%" | Companion		! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
	! width="10%" | Actress
	! width="15%" | Seasons		! scope="col" style="width:10%;"| Seasons
	! width="20%" | First serial		! scope="col" style="width:20%;"| First serial
	! width="20%" | Last serial		! scope="col" style="width:20%;"| Last serial
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || '']'' || '']'' || 4
			| ]
			| 7
			| align="center"| '']''
			| align="center"| '']''<ref group="nb" name="fivecameos" />
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'' || '']'' || 15
			| ]
	|-
			| 8, 9, 10
	| ] || ] || ] || '']'' || '']'' || 5<ref group="nb">Sarah Jane Smith has had three subsequent appearances with the Tenth Doctor, as well as her own spin-off series '']'' and '']''.</ref>
			| align="center"| '']''
			| align="center"| '']''<ref group="nb">Jo also appears in '']'' story '']'' (2010), alongside Sarah Jane Smith and the ].</ref><ref group="nb" name="Power"/>
			|-
			! scope="row"| ]
			| ]
			| 11, 1983 special
			| align="center"| '']''
			| align="center"| "]"<ref group="nb">Sarah continues to travel with the Doctor following his regeneration in '']'', and after her later departure from the series serves as the Third Doctor's companion once more in "The Five Doctors".</ref>
			|-
			! colspan="5" | UNIT
			|-
			! scope="row"| ]
			| ]
			| 7, 8, 9, 10, 11
			| align="center"| ''Spearhead from Space''<ref group="nb">Lethbridge-Stewart appears alongside the Second Doctor as a colonel in '']'' and subsequently as a brigadier in '']''.</ref>
			| align="center"| '']''<ref group="nb">Subsequently appears in '']'', '']'', '']'' and '']'', and as the Second Doctor's companion in "]"</ref>
			|-
			! scope="row"| ]
			| ]<ref group="nb">Darren Plant portrayed John Benton as a baby in '']'', and Steven Stanley did so as a child in the direct-to-video release, '']''.</ref>
			| 7, 8, 9, 10, 11
			| align="center"| '']''<ref group="nb">Benton appears alongside the Second Doctor in '']'' as Corporal Benton.</ref>
			| align="center"| ''Planet of the Spiders''<ref group="nb">Subsequently appears with the Fourth Doctor in '']'', '']'' and '']'' as WO2 Benton</ref>
			|-
			! scope="row"| ]
			| ]
			| 8, 9, 10, 11
			| align="center"| ''Terror of the Autons''
			| align="center"| ''Planet of the Spiders''<ref group="nb" name="fivecameos" />
	|}		|}
	<references group="nb" />
	===Fourth Doctor===		===Fourth Doctor===
			{{further|Fourth Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who season 12|label1=Season 12|Doctor Who season 13|label2=Season 13|Doctor Who season 14|label3=Season 14|Doctor Who season 15|label4=Season 15|Doctor Who season 16|label5=Season 16|Doctor Who season 17|label6=Season 17|Doctor Who season 18|label7=Season 18|The Five Doctors}}
	! width="10%" | Companion
			{| class="wikitable plainrowheaders" style="width:100%;"
	! width="15%" | Actor/Actress
	! width="15%" | Seasons
	! width="20%" | First serial
	! width="20%" | Last serial
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="col" style="width:15%;"| Companion
	| ] || ] || ]–] || '']'' || '']'' || 13
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Seasons
			! scope="col" style="width:20%;"| First serial
			! scope="col" style="width:20%;"| Last serial
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'' || '']''<ref group="nb">Harry also appears in '']''.</ref> || 7 (6 as companion)
			| ]
			| 12, 13, 14
			| align="center"| '']''
			| align="center"| '']''
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'' || '']'' || 9
			| ]
	|-
			| 12, 13
	| ] || voice of ] || ] || '']'' || ''The Invasion of Time'' || 5
			| align="center"| ''Robot''
			| align="center"| '']''<ref group="nb">Harry also appears in '']''</ref>
	|-		|-
			! scope="row"| ]
	| ] || voice of ]<br /><small>voice of ]<ref group="nb">K-9 was voiced by Brierley in season 17, explained away as ] within the programme.</ref></small> || ]–] || '']'' || '']'' || 17 <ref group="nb">Subsequent models of K-9 have made appearances with ] in various episodes, due to the Doctor's giving Sarah Jane a version of K-9 in the aborted spin-off ]. He has also appeared in '']''. K-9 is due to be the subject of his own spin-off, produced separate from the BBC, entitled simply ].</ref>
			| ]
			| 14, 15
			| align="center"| '']''
			| align="center"| '']''
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || '']'' || '']'' || 6
			| ] / ] (voices)
			| 15, 16, 17, 18
			| align="center"| '']''
			| align="center"| '']''<ref group="nb">The "Mark I" incarnation of K-9, who leaves the Doctor in ''The Invasion of Time'', returns in the independent spin-off series '']'', regenerating into a newer form. A further model of K-9, "Mark III", features in the pilot of '']'' with Sarah Jane Smith, and ''Doctor Who'' episode "]" with the Tenth Doctor and Sarah Jane. Killed and replaced by K-9 Mark IV in the latter episode, he subsequently appears irregularly in '']'', and also the ''Doctor Who'' episode "]".</ref>
	|-		|-
			! scope="row"| ]
	| ] || ] || ]–] || '']'' || '']'' || 11
			| ]
	|-
			| 16
	| ] || ] || ] || '']'' || '']'' || 5
			| align="center"| '']''
			| align="center"| '']''
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || '']'' <ref>{{cite web|url=http://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/page25.shtml |title=Doctor Who - Classic Series - Companions - Nyssa |publisher=BBC |date= |accessdate=2009-05-29}}</ref>|| '']'' || 2
			| ]
			| 17, 18, 1983 special
			| align="center"| '']''
			| align="center"| "]"<ref group="nb">Romana leaves the Doctor in ''Warriors' Gate'', and subsequently reappears as the Fourth Doctor's companion in "The Five Doctors" (in footage from ''Shada'').</ref>
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || '']'' || ''Logopolis'' || 1
			| ]
			| 18
			| align="center"| '']''
			| align="center"| '']''<ref group="nb" name="regeneration2">Adric, Nyssa and Tegan continue travelling with the Doctor following his regeneration in '']''.</ref>
			|-
			! scope="row"| ]
			| ]
			| 18
			| align="center" colspan="2"| ''Logopolis''<ref group="nb">Nyssa also appears in '']''.</ref><ref group="nb" name="regeneration2" />
			|-
			! scope="row"| ]
			| ]
			| 18
			| align="center" colspan="2"| ''Logopolis''<ref group="nb" name="regeneration2" />
	|}		|}
	<references group="nb" />
	===Fifth Doctor===		===Fifth Doctor===
			{{further|Fifth Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who season 19|label1=Season 19|Doctor Who season 20|label2=Season 20|Doctor Who season 21|label3=Season 21}}
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="10%" | Companion		! scope="col" style="width:15%;"| Companion
	! width="15%" | Actor/Actress		! scope="col" style="width:15%;"| Actor
	! width="10%" | Seasons		! scope="col" style="width:10%;"| Seasons
	! width="20%" | First serial		! scope="col" style="width:20%;"| First serial
	! width="20%" | Last serial		! scope="col" style="width:20%;"| Last serial
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || '']'' || '']''<ref group="nb">also appears in '']''</ref><ref group="nb" name="cavecameos">also appears in'']''</ref> || 8 (6 as companion)
			| ]
			| 19
			| align="center"| '']''
			| align="center"| '']''<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/page24.shtml|title=BBC – Doctor Who – Classic Series – Companions – Adric|publisher=}}</ref><ref group="nb">Adric also makes a cameo appearance in '']''.</ref><ref group="nb" name="cavecameos">Also makes a cameo appearance in '']''</ref>
	|-		|-
			! scope="row"| ]
	| ] || ] || 19–] || '']'' || '']''<ref group="nb" name="cavecameos" /> || 12 (11 as companion)
			| ]
			| 19, 20
			| align="center"| ''Castrovalva''
			| align="center"| '']''<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/page25.shtml|title=BBC – Doctor Who – Classic Series – Companions – Nyssa|publisher=}}</ref><ref group="nb" name="cavecameos" />
	|-		|-
			! scope="row"| ]
	| ] || ] || 19–] || '']'' || '']''<ref group="nb" name="cavecameos" /> || 19 (18 as companion)
			| ]
			| 19, 20, 21
			| align="center"| ''Castrovalva''
			| align="center"| '']''<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/page26.shtml|title=BBC – Doctor Who – Classic Series – Companions – Tegan Jovanka|publisher=}}</ref><ref group="nb" name="cavecameos" />
	|-		|-
			! scope="row"| ]
	| ] || ] || 20–21 || '']'' || '']''<ref group="nb" name="cavecameos" /> || 11 (10 as companion)
			| ]
			| 20, 21
			| align="center"| '']''
			| align="center"| '']''<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/page27.shtml|title=BBC – Doctor Who – Classic Series – Companions – Vislor Turlough|publisher=}}</ref><ref group="nb" name="cavecameos" />
	|-		|-
			! scope="row"| Kamelion<ref>{{cite book |title=Doctor Who&nbsp;— The Companions |first=John |last=Nathan-Turner |author-link=John Nathan-Turner |publisher=Random House |location=New York |year=1986 |isbn=978-0-394-88291-8 |pages=18–21}}</ref><ref>{{cite book |title=Doctor Who&nbsp;— Companions |first1=David J |last1=Howe |author-link1=David J. Howe |first2=Mark |last2=Stammers |publisher=Doctor Who Books |location=London |year=1995 |isbn=978-1-85227-582-2 |page=103 }}</ref><ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/page28.shtml |title=Doctor Who&nbsp;— Classic Series&nbsp;— Companions&nbsp;— Kamelion |publisher=BBC |access-date=12 November 2012}}</ref>
	| ] || voice of ] || 20–21 || '']'' || ''Planet of Fire''<ref group="nb" name="cavecameos" /> || 3 (2 as companion)<ref group="nb">Without explanation in the stories, Kamelion is not featured in the five serials between his first and last stories (although he does appear in deleted scenes from '']'').</ref>
			| ] (voice)
			| 20, 21
			| align="center"| '']''<ref group="nb">Due to problems with the robotic prop, Kamelion was not featured in the five serials between his first and last stories. Planned scenes in '']'' were cut and never broadcast.</ref>
			| align="center"| ''Planet of Fire''<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/classic/episodeguide/companions/page28.shtml|work= BBC|title=Doctor Who – Classic Series – Companions – Kamelion|publisher=}}</ref><ref group="nb" name="cavecameos" />
	|-		|-
			! scope="row"| ]
	| ] || ] || 21 || '']'' || '']'' || 2
			| ]
			| 21
			| align="center"| ''Planet of Fire''
			| align="center"| '']''<ref group="nb">Peri continues travelling with the Doctor following his regeneration in '']''.</ref>
	|}		|}
	<references group="nb" />
	===Sixth Doctor===		===Sixth Doctor===
			{{further|Sixth Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who season 21|label1=Season 21|Doctor Who season 22|label2=Season 22|Doctor Who season 23|label3=Season 23}}
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="10%" | Companion		! scope="col" style="width:15%;"| Companion
	! width="15%" | Actress		! scope="col" style="width:15%;"| Actor
	! width="10%" | Seasons		! scope="col" style="width:10%;"| Seasons
	! width="20%" | First serial		! scope="col" style="width:20%;"| First serial
	! width="20%" | Last serial		! scope="col" style="width:20%;"| Last serial
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || 21–] || '']'' || '']'': '']'' || 9
			| ]
			| 21, 22, 23
			| align="center"| '']''
			| align="center"| '']''
	|-		|-
			! scope="row"| ]
	| ] || ] || 23 || '']'': '']''<ref group="nb">The series never establishes how the Doctor first meets Mel; she just appears mid-way through '']''. The Doctor's first meeting with Mel is recounted in the ] novel '']''.</ref> || ''The Trial of a Timelord'': '']'' || 2
			| ]
			| 23
			| align="center"| '']''<ref group="nb">The series never establishes how Mel meets the Doctor, who first appears as part of the Doctor's future. Their first meeting is recounted in the ] novel '']'' and the ] audio-drama ''The Wrong Doctors''.</ref>
			| align="center"| '']''<ref group="nb">Mel continues travelling with the Doctor following his regeneration in '']''.</ref>
	|}		|}
	<references group="nb" />
	===Seventh Doctor===		===Seventh Doctor===
			{{further|Seventh Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who season 24|label1=Season 24|Doctor Who season 25|label2=Season 25|Doctor Who season 26|label3=Season 26}}
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="10%" | Companion		! scope="col" style="width:15%;"| Companion
	! width="15%" | Actress		! scope="col" style="width:15%;"| Actor
	! width="10%" | Seasons		! scope="col" style="width:10%;"| Seasons
	! width="20%" | First serial		! scope="col" style="width:20%;"| First serial
	! width="20%" | Last serial		! scope="col" style="width:20%;"| Last serial
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || 24 || '']'' || '']'' || 4
			| ]
			| 24
			| align="center"| '']''
			| align="center"| '']''<ref group="nb" name="Mel">Mel makes a cameo appearance in "]" (2022) and becomes a recurring guest star in the eras of the Fourteenth and Fifteenth Doctors.</ref>
	|-		|-
			! scope="row"| ]
	| ] || ] || 24–] || '']'' || '']'' || 9<ref group="nb">Ace's fate is unknown past '']'' as she does not appear in the following story, the ].</ref>
			| ]
			| 24, 25, 26
			| align="center"| ''Dragonfire''
			| align="center"| '']''
	|}		|}
	<references group="nb" />
	===Eighth Doctor===		===Eighth Doctor===
			{{further|Eighth Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who (film)|label1=Film}}
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="10%" | Companion		! scope="col" style="width:15%;"| Companion
	! width="15%" | Actress		! scope="col" style="width:15%;"| Actor
	! width="10%" | Series		! scope="col" style="width:10%;"| Seasons
	! width="20%" | Year		! scope="col" style="width:20%;"| First serial
	! width="20%" | Story		! scope="col" style="width:20%;"| Last serial
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || ] || ] || '']'' || 1
			| ]
			| –
			| colspan="2" align="center"| '']''
	|}		|}
	===Ninth Doctor===		===Ninth Doctor===
			{{further|Ninth Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who series 1|label1=Series 1}}
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First episode
			! scope="col" style="width:20%;"| Last episode
			|-
			! scope="row"| ]
			| ]<ref group="nb">] portrays a young Rose in "]"</ref>
			| 1
			| align="center"| "]"
			| align="center"| "]"<ref group="nb">Rose continues travelling with the Doctor following his regeneration in "]".</ref>
	|-		|-
			! scope="row"| ]<ref>{{cite web|url=https://www.bbc.co.uk/pressoffice/pressreleases/stories/2005/05_may/04/who_episode.shtml |title=Press Office&nbsp;– Doctor Who press pack phase six Episode Seven |publisher=BBC |date=4 May 2005 |access-date=1 June 2010}}</ref>
	! width="10%" | Companion
			| ]
	! width="15%" | Actor/Actress
			| 1
	! width="10%" | Series
	! width="20%" | First episode		| align="center"| "]"
			| align="center"| "]"
	! width="20%" | Last episode
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/s4/characters/jack |title=Doctor Who&nbsp;– Captain Jack Harkness&nbsp;– Character Guide |publisher=BBC |date=28 March 2008 |access-date=1 June 2010}}</ref>
	| ] || ] || ] || "]" || "]" || 13
			| ]
	|-
			| 1
	|] ||]|| 1||"]"||"]"||2
			| align="center"| "]"
	|-
			| align="center"| "]"
	| ]<ref group="nb">Jack Harkness was the first openly ] (in this case ]) companion.</ref> || ] || 1 || "]" || "]" || 5
	|}		|}
	<references group="nb" />
	===Tenth Doctor===		===Tenth Doctor===
			{{further|Tenth Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who series 2|label1=Series 2|Doctor Who series 3|label2=Series 3|Doctor Who series 4|label3=Series 4|Doctor Who specials (2008–2010)|label4=2008–2010 specials}}
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="10%" | Companion		! scope="col" style="width:15%;"| Companion
	! width="15%" | Actor/Actress		! scope="col" style="width:15%;"| Actor
	! width="10%" | Series		! scope="col" style="width:10%;"| Series
	! width="20%" | First episode		! scope="col" style="width:20%;"| First episode
	! width="20%" | Last episode		! scope="col" style="width:20%;"| Last episode
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]
	| ] || ] || ], ], ] || "]"<ref group="nb">Lead-in to "]"</ref> || <!--last episode AS A COMPANION-->"]"<!--last episode AS A COMPANION--><ref group="nb">Rose departs in "]" and makes brief cameo appearances in "]", "]" and "]" before returning as a companion in "]". She also appears in '']''.</ref> || 22<ref group="nb">Including the 2005 ] and the three cameo appearances in series 4.</ref> (18 as companion)<!--Rose was not a companion in "Partners in Crime", "The Poison Sky" or "Midnight".-->
			| ]
			| 2, 4
			| align="center"| "]"
			| align="center"|<!--last episode AS A COMPANION-->"]"<ref group="nb">Rose departs in "]", and makes brief cameo appearances in "]", "]" and "]" before returning as a companion from "]" to "Journey's End". She briefly appears in "]", and in "]" as the interface of the Moment device selects an image of Rose to assist the ].</ref>
	|-		|-
			! scope="row"| ]
	| ] || ] || 2, 4 || <!--first episode AS A COMPANION-->"]"<!--first episode AS A COMPANION--><ref group="nb">Also appears in "]" and '']''.</ref> || <!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--> || 4 (2 as companion)
			| ]
	|-
			| 2, 4
	| ] || ] || 2, 4 || "]"<ref group="nb">Mickey is introduced in "Rose" as Rose's boyfriend and recurs regularly before becoming a companion.</ref> || <!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--><ref group="nb">Mickey departs in "]" before returning as a companion in "Journey's End", and also re-appears in "]" / "]" and ''The End of Time''.</ref> || 10 (5 as companion)
			| align="center"| "]"<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2006/02/21/29729.shtml |title=Noel natters to DWM |publisher=BBC |date=21 February 2006 |access-date=1 June 2010}}</ref><ref group="nb">Mickey is introduced in "Rose" as Rose's boyfriend and recurs regularly before becoming a companion.</ref>
	|-
	| ] || ] || ], 4 || "]"<ref group="nb">Introduced in "Doomsday"</ref> || <!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--><ref group="nb">After initially refusing to join the Doctor on his travels in "The Runaway Bride", Donna returns as a regular companion from "]". She also appears in ''The End of Time''.</ref> || 16 (14 as companion)		| align="center"|<!--last episode AS A COMPANION-->"Journey's End"<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/s4/characters/mickey |title=Doctor Who&nbsp;– Mickey Smith&nbsp;– Character Guide |publisher=BBC |access-date=1 June 2010}}</ref><!--last episode AS A COMPANION--><ref group="nb">Mickey departs in "]" and re-appears in "]" / "]" before returning as a companion in "Journey's End". He also appears in "The End of Time".</ref>
	|-
	| ] || ] || ], 4 || "]" || <!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--><ref group="nb">Martha departs in "]", but returns from "]" to "]" and again for "]" / "Journey's End". She also appears in a cameo role in ''The End of Time''.</ref> || 19 (18 as companion)
	|-		|-
			! scope="row"| ]
	| ] || ] || 3, 4 || "]" || <!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--><ref group="nb">Jack rejoins the Doctor in "Utopia" before departing in "Last of the Time Lords", but returns again for "The Stolen Earth" / "Journey's End". He also makes a cameo appearance in ''The End of Time''.</ref> || 6 (5 as companion)
			| ]
			| 2006 special, 4
			| align="center"| "]"<ref group="nb">Introduced in "Doomsday" as "The Bride"</ref>
			| align="center"|<!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--><ref group="nb">After initially refusing to join the Doctor on his travels in "The Runaway Bride", Donna returns as a regular companion from "]". She also appears in "The End of Time".</ref>
	|-		|-
			! scope="row"| ]
	| ]<ref name="BBCWebsite">{{cite web
			| ]
	| url = http://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/08/14/47874.shtml
			| 3, 4
	| title = Companion Piece
			| align="center"|<!--MARTHA JONES does not appear in Army of Ghosts-->"]"
	| publisher = BBC News
			| align="center"|<!--last episode AS A COMPANION-->"Journey's End"<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/s4/characters/martha |title=Doctor Who&nbsp;– Martha Jones&nbsp;– Character Guide |publisher=BBC |access-date=1 June 2010}}</ref><!--last episode AS A COMPANION--><ref group="nb">Martha departs in "]", but returns from "]" to "]" and again for "]" / "Journey's End". She also appears in "The End of Time".</ref>
	| date = 2007-08-14
	| accessdate = 2007-08-15}}</ref><ref>{{cite web|url=http://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/12/19/51611.shtml|title=Who Should Be So Lucky?|date=2007-08-14|accessdate=2008-02-01}}<br />{{cite episode
	| title = Confidential at Christmas
	| episodelink = Confidential at Christmas
	| series = Doctor Who Confidential
	| serieslink = Doctor Who Confidential
	| airdate = 2007-12-25
	| season = 4
	| number = 1}}</ref> || ] || ] || "]"<ref name="BBCWebsite" /> || "Voyage of the Damned" || 1
	|-		|-
			! scope="row"| ]
	| Jackson Lake || ] || ] || "]" || "The Next Doctor" || 1
			| ]
			| 3, 4
			| align="center"|"]"
			| align="center"|<!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--><ref group="nb">Jack rejoins the Doctor in "Utopia" before departing in "Last of the Time Lords", but returns again for "The Stolen Earth" / "Journey's End". He also appears in "The End of Time".</ref>
	|-		|-
			! scope="row"| ]<ref>{{cite news | url = http://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/08/14/47874.shtml | title = Companion Piece | work=BBC News | date = 14 August 2007 | access-date = 1 June 2010}}</ref><ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/news/cult/news/drwho/2007/12/19/51611.shtml|title=Who Should Be So Lucky?|date=19 December 2007|access-date=1 June 2010}}</ref><ref>{{cite episode | title = Confidential at Christmas | episode-link = Confidential at Christmas | series = Doctor Who Confidential | series-link = Doctor Who Confidential | airdate = 25 December 2007 | season = 4 | number = 1}}</ref>
	| Rosita Farisi || ] || ] || "]" || "The Next Doctor" || 1
			| ]
			| 2007 special
			| align="center" colspan="2"| "]"
	|-		|-
			! scope="row"| ]<ref>{{cite web|url=https://www.bbc.co.uk/doctorwho/s4/characters/sarahjane |title=Doctor Who&nbsp;– Sarah Jane Smith&nbsp;– Character Guide |publisher=BBC |access-date=1 June 2010}}</ref>
	| ]<ref name="RadioTimesApril2009">{{Citation | date=2008-01-09 (cover date) | title=Sands of time | last = Cook | first = Benjamin | author-link = Benjamin Cook | periodical=] | issue=11–17 April 2009 | pages=16–20}}</ref> || ] || ] || "]" || "Planet of the Dead" || 1
			| ]
			| 2, 4
			| align="center"|<!--first episode AS A COMPANION-->"]"<!--first episode AS A COMPANION--><ref group="nb">Previously appears with the Tenth Doctor in "]".</ref>
			| align="center"|<!--last episode AS A COMPANION-->"Journey's End"<!--last episode AS A COMPANION--><ref group="nb">Also appears in "]". Additionally, the Doctor appears alongside Sarah Jane in '']'' stories '']'' and '']'', in his Tenth and Eleventh incarnations respectively.</ref>
	|-		|-
			! scope="row"| Jackson Lake<ref>{{cite magazine| url=https://www.wired.com/2009/07/whos-your-favorite-doctor-who-companion/ | magazine=Wired | first=Anton | last=Olsen | title=Who's Your Favorite Doctor Who Companion? | date=21 July 2009|access-date=18 June 2022}}</ref>
	| Adelaide Brooke<ref>http://www.digitalspy.co.uk/tv/s7/doctorwho/tubetalk/a184457/ten-waters-of-mars-teasers.html</ref><ref name="Press Release">{{cite web|url=http://www.bbc.co.uk/pressoffice/pressreleases/stories/2009/02_february/19/who.shtml|title=Lindsay Duncan to star in second Doctor Who Special of 2009|date=2009-02-19|publisher=BBC|accessdate=21 February 2009}}</ref> || ] || 2009–10 Specials || "]" || "The Waters of Mars" || 1
			| ]
			| 2008 special
			| align="center" colspan="2"| "]"
	|-		|-
			! scope="row"| Rosita Farisi<ref>{{Cite book|last=Walker |first=Stephen James |author-link = Stephen James Walker |title=Monsters Within: the Unofficial and Unauthorised Guide to Doctor Who 2008 |date=17 December 2008 |publisher=] |location=], ], England |isbn=978-1-84583-027-4 |page=232 | chapter=Series Overview}}</ref>
	| ]<ref name="BBCNewsInterview">{{Citation | last=Davies | first=Russell T | author-link=Russell T Davies | url=http://news.bbc.co.uk/1/hi/entertainment/7987179.stm | title=Dr Who's Easter special | date=2009-04-07 | publisher=BBC News | accessdate=7 April 2009}}</ref> || ]<ref name="BBCNewsInterview"/> || 2009–10 Specials || '']''<ref group="nb">Wilf is introduced in "Voyage of the Damned", and recurs throughout series 4 as Donna's grandfather.</ref> || ''The End of Time'' || 8 (1 as companion)
			| ]
			| 2008 special
			| align="center" colspan="2"| "The Next Doctor"
			|-
			! scope="row"| Lady Christina de Souza<ref>{{Cite news | date=9 January 2008 | title=Sands of time | last = Cook | first = Benjamin | author-link = Benjamin Cook (journalist) | periodical=] | issue=11–17 April 2009 | pages=16–20}}</ref>
			| ]
			| 2009 Easter special
			| align="center" colspan="2"| "]"
			|-
			! scope="row"| Adelaide Brooke<ref>{{cite web|url=https://www.digitalspy.com/tv/cult/a184457/ten-waters-of-mars-teasers/ |title= Ten 'Waters of Mars' teasers |website=Digital Spy |date=30 October 2009 |access-date=18 June 2022}}</ref><ref>{{cite web|url=https://www.bbc.co.uk/pressoffice/pressreleases/stories/2009/02_february/19/who.shtml |title=Lindsay Duncan to star in second Doctor Who special of 2009 |date=19 February 2009 |publisher=BBC |access-date=1 June 2010}}</ref>
			| ]<ref group="nb">Rachel Fewell portrays a younger Adelaide in flashback</ref>
			| 2009 Autumn special
			| align="center" colspan="2"| "]"
			|-
			! scope="row"| ]<ref>{{cite news | last=Davies | first=Russell T | author-link=Russell T Davies | url=http://news.bbc.co.uk/1/hi/entertainment/7987179.stm | title=Dr Who's Easter special | date=7 April 2009 |work=BBC News | access-date=7 April 2009}}</ref>
			| ]
			| 2009–10 specials
			| align="center" | "]"<ref group="nb">Wilf is introduced in "Voyage of the Damned" and recurs throughout series 4 as Donna's grandfather. He officially becomes a short-term companion in "]".</ref>
			| align="center" | "]"
	|}		|}
	<references group="nb" />
	====Animated serials====		===Eleventh Doctor===
			{{further|Eleventh Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who series 5|label1=Series 5|Doctor Who series 6|label2=Series 6|Doctor Who series 7|label3=Series 7|Doctor Who specials (2013)|label4=2013 specials}}
			{| class="wikitable plainrowheaders" style="width:100%;"
	|-		|-
	! width="15%" | Companion		! scope="col" style="width:15%;"| Companion
	! width="20%" | Actor/Actress		! scope="col" style="width:15%;"| Actor
	! width="20%" | Series		! scope="col" style="width:10%;"| Series
	! width="20%" | First Episode		! scope="col" style="width:20%;"| First episode
	! width="20%" | Last Episode		! scope="col" style="width:20%;"| Last episode
	|-		|-
			! scope="row"| ]
	| ] || ] (voice) || ] || '']'' || ''The Infinite Quest''
			| ]<ref group="nb">Caitlin Blackwood plays a young Amy (as Amelia) in "The Eleventh Hour", "]", "]" and "]", along with archival footage in "]"</ref>
			| 5, 6, 7
			| align="center"| "]"
			| align="center"| "]"<ref group="nb" name=PondsLeave>Amy and Rory are left by the Doctor in "The God Complex", but appear briefly in "Closing Time" and feature as companions again in "The Wedding of River Song". They appear in the final scene of "]", before returning as companions from "]".</ref><ref group="nb" name=AmyTime>An illusionary Amy appears to the Doctor before his regeneration in "]".</ref>
	|-		|-
			! scope="row"| ]
	| Cassie Rice || ] (voice) || 2009 Specials || '']'' || ''Dreamland''
			| ]<ref group="nb">A younger Rory is played by Ezekiel Wigglesworth in "Let's Kill Hitler".</ref>
			| 5, 6, 7
			| align="center"| "]"<ref group="nb">Also appears in "The Eleventh Hour"</ref>
			| align="center"| "The Angels Take Manhattan"<ref group="nb">Rory is killed in "]", but returns in "]" as an ] duplicate before being restored to humanity and resuming his travels with the Doctor and Amy in "The Big Bang".</ref><ref group="nb" name=PondsLeave />
	|-		|-
			! scope="row"| ]<ref>{{Cite video | title = Doctor Who: Best of the Companions | medium = Television production | publisher = BBC America | date = 28 August 2011}}</ref>
	| Jimmy Stalkingwolf || ] (voice) || 2009 Specials || ''Dreamland'' || ''Dreamland''
			| ]<ref group="nb">Earlier incarnations of River Song (as Melody Pond) are played by Sydney Wade in "The Impossible Astronaut" / "]", and Maya Glace-Green and ] in "Let's Kill Hitler".</ref>
			| 6
			| align="center"| "]"<ref group="nb">River first appears alongside the Tenth Doctor in "]" / "]", introduced as a companion from his relative future who calls the Doctor to her aid. Progressively younger versions of River subsequently summon the Eleventh Doctor in "]" / "]" and "]" / "The Big Bang", before the future Doctor summons her to his death in "The Impossible Astronaut".</ref>
			| align="center"| "]"<ref group="nb">River refuses the Doctor's offer to travel with him permanently in "Day of the Moon". She subsequently features as a companion in "]", "Let's Kill Hitler" and "The Wedding of River Song", and also appears in "Closing Time". She later appears in "The Angels Take Manhattan" and "]".</ref>
			|-
			! scope="row"| Craig Owens<ref>{{Cite episode |title=Open All Hours |episode-link= |url=https://www.bbc.co.uk/iplayer/episode/b0155jf4/Doctor_Who_Confidential_Series_6_Open_All_Hours/ |series=Doctor Who Confidential |credits=] |network=] |airdate=24 September 2011 |season= |series-no=6 |number=12 |minutes=4:52 |quote=The Doctor allows Craig to come along and play the part of his companion }}</ref>
			| ]
			| 6
			| align="center" colspan="2"| "]"<ref group="nb">Also appears in "]"</ref>
			|-
			! scope="row"| ]
			| |]<ref group="nb">Sophie Downham appears as young Clara in the prequel to "]", "]" and "]".</ref>
			| 7, 2013 specials
			| align="center"| "]"<ref group="nb">Coleman first appeared as Oswin Oswald in "]", revealed in "]" to be one of multiple echoes of Clara distributed across time. In "The Snowmen", Coleman initially plays another echo of Clara, with her original iteration appearing briefly at the end of the episode. The latter Clara joins the Doctor permanently in "]".</ref>
			| align="center"| "]"<ref group="nb">Clara continues traveling with the Doctor following his regeneration in "]".</ref>
	|-		|-
	|}		|}
	===Eleventh Doctor===		===Twelfth Doctor===
			{{further|Twelfth Doctor}}
	{| class="wikitable" border="1" style="width:100%;"
			{{further|Doctor Who series 8|label1=Series 8|Doctor Who series 9|label2=Series 9|Doctor Who series 10|label3=Series 10}}
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First episode
			! scope="col" style="width:20%;"| Last episode
	|-		|-
	! width="10%" | Companion		! scope="row"| ]
			| ]
	! width="15%" | Actor/Actress
			| 8, 9
	! width="10%" | Series
			| align="center"| "]"
	! width="20%" | First Episode
			| align="center"| "]"<ref group="nb">Clara dies in "]" and appears only as an illusion in "]", before being temporarily rescued from death and appearing as a companion for the final time in "Hell Bent". She subsequently briefly appears in "]".</ref>
	! width="20%" | Last episode
	! width="20%" | Appearances with the ]
	|-		|-
			! scope="row"| ]<ref>{{cite web|url=http://www.doctorwho.tv/whats-new/article/steven-moffat-reveals-pearl-mackie-to-debut-in-2017-her-name-and-when-s-she-s-from|title=Steven Moffat reveals Pearl Mackie to debut in 2017, her name and when's she's from...|website=Doctor Who|first=Cameron|last=K McEwan|date=26 May 2016|access-date=26 May 2016|archive-date=23 December 2017|archive-url=https://web.archive.org/web/20171223233854/http://www.doctorwho.tv/whats-new/article/steven-moffat-reveals-pearl-mackie-to-debut-in-2017-her-name-and-when-s-she-s-from/|url-status=dead}}</ref>
	| ] || ] || ] || "]" || N/A || 27(confirmed for 2 series)
			| ]
	|-
			| 2015 special
	| ] || ] || Series 4 of ] || Series 4 of ] || 2 || 2
			| align="center" colspan="2"| "]"
	|-		|-
			! scope="row"| ]<ref>{{cite web|url=http://www.doctorwhotv.co.uk/series-10-nardole-is-a-full-time-non-human-companion-82018.htm|title=Series 10: Nardole is a Full-Time "Non-Human" Companion|date=15 December 2016}}</ref>
	| ] || ] || Series 4 of ] || Series 4 of ] || 2 || 2
			| ]
			| 2016 special, 10
			| align="center"| "]"<ref group="nb">Nardole first appears in "]" before appearing as a companion from "The Return of Doctor Mysterio".</ref>
			| align="center"| "]"<ref group="nb">Nardole departs in "The Doctor Falls" before briefly reappearing in "Twice Upon a Time".</ref>
	|-		|-
			! scope="row"| ]
	|| ] ||] || ]|| The Time of Angels || N/A|| 2 (Confirmed)
			| ]
			| 10, 2017 special
			| align="center"| "]"
			| align="center"| "]"
	|}		|}
	<references group="nb" />
	===Future Companion===		===Thirteenth Doctor===
			{{further|Thirteenth Doctor}}
	] from the ] episodes "]" / "]" is an archaeologist who states that she has travelled with the Doctor in his relative future.<ref>"Here's a woman who travels with the Doctor, therefore she knows him" - director Euros Lyn to Alex Kingston (Doctor Who Confidential, Series 4, Episode 9)</ref><ref>"You took me to Derillium, to see the Singing Towers. Oh, what a night that was." - River Song (Silence in the Library / Forest of the Dead)</ref> ''Doctor Who Confidential'' referred to her as a "companion-to-come".<ref>"The future is already written for both the Doctor and his adventurous companion-to-come" - Narration: ''Doctor Who Confidential'', Series 4, Episode 9</ref>
			{{further|Doctor Who series 11|label1=Series 11|Doctor Who series 12|label2=Series 12|Doctor Who series 13|label3=Series 13|Doctor Who specials (2022)|label4=2022 specials}}
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First episode
			! scope="col" style="width:20%;"| Last episode
			|-
			! scope="row"| ]
			| ]
			| 11, 12, 2021 special
			| align="center" | "]"
			| align="center" | "]"<ref group="nb">Also appears in "]"</ref>
			|-
			! scope="row"| ]
			| ]
			| 11, 12, 2021 special
			| align="center" | "The Woman Who Fell to Earth"
			| align="center" | "Revolution of the Daleks"
			|-
			! scope="row"| ]
			| ]
			| 11, 12, 13, 2022 specials
			| align="center" | "The Woman Who Fell to Earth"
			| align="center" | "]"
			|-
			! scope="row"| ]
			| ]
			| 2021 special
			| align="center" colspan="2"| "Revolution of the Daleks"<ref group="nb">Also appears in "]"</ref>
			|-
			! scope="row"| Dan Lewis
			| ]
			| 13, 2022 specials<ref>{{cite web |url=https://www.doctorwhonews.net/2021/01/new_companion_for_series_13.html |title=New companion for Series 13 |work=DoctorWhoNews.net |first=Chuck |last=Foster |date=1 January 2021 |access-date=2 January 2021}}</ref>
			| align="center" | "]"
			| align="center" | "The Power of the Doctor"<ref>{{cite web |last1=Bacon |first1=Thomas |date=14 September 2022 |title=Jodie Whittaker's Final Doctor Who Episode Title Revealed |url=https://screenrant.com/doctor-who-centenary-special-title-power/ |access-date=14 September 2022 |website=]}}</ref>
			|-
			! scope="row"| ]
			| ]
			| 2022 specials
			| align="center" colspan="2" |"The Power of the Doctor"
			|-
			! scope="row"| ]
			| ]
			| 2022 specials
			| align="center" colspan="2" |"The Power of the Doctor"
			|}
			===Fourteenth Doctor===
	==Deaths==
			{{further|Fourteenth Doctor}}
			{{further|Doctor Who specials (2023)|label1=2023 specials}}
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First episode
			! scope="col" style="width:20%;"| Last episode
			|-
			! scope="row"| ]<ref>{{Cite web |last=Kilbane |first=Aoife |date=23 October 2022 |title=Doctor Who: Here they come... |url=https://www.bbc.com/mediacentre/2022/doctor-who-david-tennant-14th-doctor/ |access-date=23 October 2022 |website=] |language=en}}</ref>
			| ]
			| 2023 specials
			| align="center" | "]"<ref>{{cite web |title=New Doctor Who trailer reveals episode titles for 60th Anniversary specials ahead of Eurovision Grand Final |url=https://www.bbc.co.uk/mediacentre/2023/doctor-who-trailer-60th-anniversary-episode-titles |website=] |access-date=19 May 2023 |date=13 May 2023}}</ref>
			| align="center" | "]"
			|}
			===Fifteenth Doctor===
	During the course of the show's history, companions have, on rare occasion, been killed while serving with the Doctor.
			{{further|Fifteenth Doctor}}
	*] dies in "The Traitors", the fourth episode of '']'', when she opens the ] of a spaceship and is blown out into space while trying to protect her friends from the insane Kirkson.<ref name="tDMP 4">{{cite episode
			{{further|Doctor Who series 14|label1=Series 14|Doctor Who series 15|label2=Series 15}}
	| title = The Traitors
			{| class="wikitable plainrowheaders" style="width:100%;"
	| episodelink = The Daleks' Master Plan
			|-
	| series = Doctor Who
			! scope="col" style="width:15%;"| Companion
	| serieslink = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| credits = Writer ], Director ]
			! scope="col" style="width:10%;"| Series
	| network = BBC
			! scope="col" style="width:20%;"| First episode
	| airdate = 1965-12-04
			! scope="col" style="width:20%;"| Last episode
	}}</ref>
			|-
			! scope="row"| ]<ref>{{cite web|url=https://www.doctorwho.tv/news-and-features/millie-gibson-is-the-new-doctor-who-companion-ruby-sunday|title=Millie Gibson is the new Doctor Who companion, Ruby Sunday|date=18 November 2022|website=Doctor Who}}</ref>
			| ]
			| 14, 15<ref>{{cite web |url=https://cultbox.co.uk/news/headlines/millie-gibson-films-scenes-for-2025-doctor-who-in-bristol |title=Millie Gibson films scenes for 2025 Doctor Who in Bristol |work=CultBox |last=Laford |first=Andrea |date=15 November 2023 |accessdate=16 November 2023}}</ref>
			| align="center" |"]"
			| {{n/a}}<ref group="nb">Ruby departs in "]" but is set to return in ].</ref>
			|-
			! scope="row" | Joy Almondo<ref name="BelindaJoy" />
			| ]
			| 2024 special<ref>{{cite web|url=https://www.denofgeek.com/tv/steven-moffat-doctor-who-2024-christmas-special/|title=Steven Moffat Confirms He's Written Doctor Who 2024 Christmas Special "Joy to the World"|last=Mellor|first=Louisa|date=14 May 2024|accessdate=14 May 2024|work=]}}</ref>
			| align="center" colspan="2" | "]"
			|-
			! scope="row" | Belinda Chandra<ref name="BelindaJoy">{{cite magazine |url=https://www.gamesradar.com/entertainment/sci-fi-shows/doctor-who-christmas-special-first-look-joy-to-the-world-new-companion-name-belinda-chandra/ |title=Doctor Who unveils first look at Christmas special and confirms Varada Sethu's companion name – and her potential link to an existing character |magazine=Games Radar |first1=Molly |last1=Edwards |first2=Amy |last2=West |date=26 July 2024 |accessdate=26 July 2024}}</ref>
			| ]
			| 15<ref>{{cite web|title=Doctor Who's Russell T Davies responds to Millie Gibson exit confusion|first=Sam|last=Warner|publisher=]|url=https://www.digitalspy.com/tv/a60522899/doctor-who-millie-gibson-exit-confusion/|date=18 April 2024|access-date=9 June 2024}}</ref>
			| {{n/a}}
			| {{n/a}}
			|}
			==List of companions from other media==
	*] dies in "Destruction of Time", the twelfth and final episode of ''The Daleks' Master Plan'', when she undergoes extreme aging as an unfortunate side-effect of the ]'s activation of a "Time Destructor" device in order to defeat the ]s.<ref name="tDMP 12" >{{cite episode
			The ''Doctor Who'' ] media have seen the creation of new characters acting as new companions to the Doctor. Most of them have been created to feature as companions for the Sixth, Seventh and Eighth Doctor, in the new products presenting themselves as a prosecution of their adventures beyond the TV series, but there also are new companions for other Doctors. None of them have been featured on television, except for the mention of some ] original characters in the minisode '']''; however, some of them have passed from one media to another.
	| title = Destruction of Time
	| episodelink = The Daleks' Master Plan
	| series = Doctor Who
	| serieslink = Doctor Who
	| credits = Writer ], Director ]
	| network = BBC
	| airdate = 1966-01-29
	}}</ref>
			===First Doctor===
	*] dies at the end of Episode 4 of '']'' in the explosion of a bomb-laden space freighter in Earth's atmosphere.<ref>{{cite serial
			{| class="wikitable plainrowheaders" style="width:100%;"
	| title = Earthshock
			|-
	| seriallink = Earthshock
			! scope="col" style="width:15%;"| Companion
	| series = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| serieslink = Doctor Who
			! scope="col" style="width:10%;"| Series
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| First story
	| network = BBC
			! scope="col" style="width:20%;"| Last story
	| station = BBC One
			|-
	| began = 1982-03-08
			! scope="row"| ]
	| ended = 1982-03-16
			| {{N/A}}
	}}</ref>
			| '']'' strips
			| align="center"| ''The Klepton Parasites'' (1964)
			| align="center"| ''The Experimenters'' (1966)
			|-
			! scope="row"| ]
			| ]
			| ] audios
			| align="center"|'']'' (2011)
			| align="center"|'']'' (2011)
			|}
			===Second Doctor===
	*], an android companion, is destroyed by the Fifth Doctor in Episode 4 of '']'' as an act of mercy after Kamelion is taken over by the Master.<ref>{{cite serial
			{| class="wikitable plainrowheaders" style="width:100%;"
	| title = Planet of Fire
			|-
	| seriallink = Planet of Fire
			! scope="col" style="width:15%;"| Companion
	| series = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| serieslink = Doctor Who
			! scope="col" style="width:10%;"| Series
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| First story
	| network = BBC
			! scope="col" style="width:20%;"| Last story
	| station = BBC 1
			|-
	| began = 1984-02-23
			! scope="row"| ]
	| ended = 1984-03-02
			| {{N/A}}
	}}</ref>
			| '']'' strips
			| align="center"| ''The Extortioners'' (1966–67)
			| align="center"| ''Invasion of the Quarks'' (1968)
			|}
			===Third Doctor===
	*] sacrifices himself in "]" in order to save the Doctor and his friends from a group of aliens. The subsequent K-9 Mark IV that the Doctor leaves with Sarah Jane tells her that the Mark III's files have been transferred to the new machine.<ref>{{cite episode
			{| class="wikitable plainrowheaders" style="width:100%;"
	| title = School Reunion
			|-
	| episodelink = School Reunion (Doctor Who)
			! scope="col" style="width:15%;"| Companion
	| series = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| serieslink = Doctor Who
			! scope="col" style="width:10%;"| Series
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| First story
	| network = BBC
			! scope="col" style="width:20%;"| Last story
	| station = BBC One
			|-
	| airdate = 2006-04-29
			! scope="row"| ]
	}}</ref>
			| ]
			| ] dramas
			| align="center"| '']'' (1993)
			| align="center"| '']'' (1996)
			|}
			===Fourth Doctor===
	*] sacrifices herself in order to kill ] by driving him into a reactor core at the end of "]". The Tenth Doctor partially resurrects her and sends her atoms flying into space.
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First story
			! scope="col" style="width:20%;"| Last story
			|-
			! scope="row"| ]
			| Rhianne Starbuck
			| '']'' strips
			| align="center"| ''Doctor Who and the Star Beast'' (1980)
			| align="center"| ''Dreamers of Death'' (1981)
			|-
			! scope="row"| ]
			| ]
			| ] audiobooks
			| align="center"| '']'' (2009)
			| align="center"| '']'' (2011)
			|-
			! scope="row"| ]<ref group="nb">Later revealed to be named Anya Kingdom.</ref>
			| ]
			| rowspan="3" | ] audios
			| align="center"| '']'' (2019)
			| align="center"| '']'' (2019)<ref group="nb">Ann departs the Doctor in ''The Perfect Prisoners'' but re-appears in '']'' (2021).</ref>
			|-
			! scope="row"| ]
			| ]
			| align="center" | '']'' (2023)<ref group="nb">Margaret first meets the Doctor in '']'' (2022) and later joins him as a companion in ''Ice Heist!''</ref>
			| align="center" | '']'' (2023)
			|-
			! scope="row"| Naomi Cross
			| Eleanor Crooks
			| align="center" | '']'' (2024)
			| align="center"| '']'' (2024)
			|}
			===Fifth Doctor===
	*In an alternative timeline in "]", ] dies from oxygen starvation when the Royal Hope hospital is transported to the moon. (] also dies of asphyxiation on the moon, and ] is hit by a truck later in the episode, but neither had met the Doctor in the alternative timeline.)<ref>{{cite episode
			{| class="wikitable plainrowheaders" style="width:100%;"
	| title = Turn Left
			|-
	| episodelink = Turn Left (Doctor Who)
			! scope="col" style="width:15%;"| Companion
	| series = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| serieslink = Doctor Who
			! scope="col" style="width:10%;"| Series
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| First story
	| network = BBC
			! scope="col" style="width:20%;"| Last story
	| station = BBC One
			|-
	| airdate = 2008-06-21
			! scope="row"| ]
	}}</ref>
			| {{N/A}}
			| '']'' strips
			| align="center"| ''Lunar Lagoon'' (1983)
			| align="center"| ''The Moderator'' (1984)
			|-
			! scope="row"| ]
			| ]
			| rowspan="6" | ] audios
			| align="center"| '']'' (2001)
			| align="center"| '']'' (2008)
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2008)
			| align="center"| '']'' (2008)
			|-
			! scope="row"| ]<ref group="nb">Initially called Amy during her travels with the Doctor, she renames herself Abby before their reunion.</ref>
			| ]
			| align="center"| '']'' (2009)
			| align="center"| '']'' (2009)<ref group="nb">Abby departs the Doctor in ''The Chaos Pool'' (2009) but re-appears in '']'' (2020).</ref>
			|-
			! scope="row"| Hannah Bartholomew
			| Francesca Hunt
			| align="center"| '']'' (2014)
			| align="center"| '']'' (2014)
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2018)
			| align="center"| '']'' (2018)
			|-
			! scope="row"| Marc
			| George Watkins
			| align="center"| '']'' (2019)
			| align="center"| '']'' (2021)
			|}
			===Sixth Doctor===
	*At the end of "]", ] kills herself to preserve a fixed point in time.<ref>{{cite episode
			{| class="wikitable plainrowheaders" style="width:100%;"
	| title = The Waters of Mars
			|-
	| episodelink = The Waters of Mars (Doctor Who)
			! scope="col" style="width:15%;"| Companion
	| series = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| serieslink = Doctor Who
			! scope="col" style="width:10%;"| Series
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| First story
	| network = BBC
			! scope="col" style="width:20%;"| Last story
	| station = BBC One
			|-
	| airdate = 2009-11-15
			! scope="row"| ]
	}}</ref>
			| ]
			| '']'' strips
			| align="center"| ''The Shape Shifter'' (1984)
			| align="center"| ''The World Shapers'' (1987)<ref group="nb">Frobisher departs the Sixth Doctor off-screen after ''The World Shapers'', but they reunite in the graphic novel ''The Age of Chaos'' and the Big Finish Productions audio plays '']'' and '']''.</ref>
			|-
			! scope="row"| ]
			| {{N/A}}
			| '']''
			| align="center"| '']'' (1995)
			| align="center"| '']'' (1996)
			|-
			! scope="row"| ]
			| ]
			| rowspan="6" | ] audios
			| align="center"| '']'' (2000)
			| align="center"| '']'' (2005)<ref group="nb">Evelyn's departure from the Sixth Doctor is depicted in flashbacks of ''Thicker than Water'', where she reunites with the Sixth Doctor and new companion Mel. She re-appears with the Seventh Doctor in '']'' (2010).</ref>
			|-
			! scope="row"| ]<ref group="nb" name="notd">Mentioned in '']''.</ref>
			| ]
			| align="center"| '']'' (2007)
			| align="center"| '']'' (2009)
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2011)
			| align="center"| '']'' (2011)
			|-
			! scope="row"| ]
			| Lisa Greenwood
			| align="center"| '']'' (2012)<ref group="nb">Flip first meets the Doctor in '']'' (2011) and later joins him as a companion from ''The Curse of Davros'' to '']'' (2014). She re-joins the Doctor and new companion Constance in '']'' (2016).</ref>
			| {{N/A|TBC}}
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2015)
			| {{N/A|TBC}}
			|-
			! scope="row"| Hebe Harrison
			| ]
			| align="center"| '']'' (2022)
			| align="center"| '']'' (2023)
			|}
	Additional companions have died while serving with the Doctor in the various spin-off media (the canonicity of which is unclear); this has included ] and ], both of whom were killed off in the ''Doctor Who'' ] published in '']''. McCrimmon is killed in a ]-written strip entitled ''The World Shapers'',<ref>{{Comic book reference
	| Writer = ]
	| Penciller = ]
	| Inker = Perkins, Tim
	| Story = The World Shapers
	| Title = ]
	| Issue = 127–129
	| Date = August–October 1987
	| Publisher = ]}}</ref> and Ace in ''Ground Zero''.<ref>{{Comic book reference
	| Writer = Gray, Scott
	| Penciller = Geraghty, Martin
	| Inker = Georgiou, Bambos
	| Story = Ground Zero
	| Title = ]
	| Issue = 238–242
	| Date = May 8, 1996 – July 31, 1996
	| Publisher = ]
	}}</ref>
			===Seventh Doctor===
	Additional spin-off works have also postulated the final fates of some former companions in the years following their travels with the Doctor, such as ], whose death is indicated in the novel '']''<ref>{{cite book |last=Bishop |first=David |authorlink=David Bishop |coauthors="James Stevens" |title=] |year=1997 |publisher=] |location=London |isbn=0-426-20497-2 }}</ref> and ] in the novel '']''.<ref>{{cite book |last=Mortimore |first=Jim |authorlink=Jim Mortimore |title=] |year=1996 |publisher=] |location=London |isbn=0-426-20467-0 }}</ref>
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First story
			! scope="col" style="width:20%;"| Last story
			|-
			! scope="row"| ]
			| ]
			| rowspan="2" | '']'' strips
			| align="center" colspan="2" | ''A Cold Day in Hell!'' (1987–88)
			|-
			! scope="row"| ]
			| {{N/A}}
			| align="center"| ''A Cold Day in Hell!'' (1987–88)
			| align="center"| ''Redemption!'' (1988)
			|-
			! scope="row"| ]
			| ]
			| rowspan="3" | '']''
			| align="center"| '']'' (1992)
			| align="center"| '']'' (1996)<ref group="nb">Bernice departs the Seventh Doctor in '']'', but later appears in '']'', '']'', and '']''. She rejoins the Seventh Doctor and ] in the Big Finish Productions audio series '']''.</ref>
			|-
			! scope="row"| ]
			| ]
			| rowspan="2" align="center" | '']'' (1995)
			| align="center"| '']'' (1997)
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (1997)
			|-
			! scope="row"| ]
			| ]
			| rowspan="7" | ] audios
			| align="center"| '']'' (2004)
			| align="center"| '']'' (2014)
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2010)<ref group="nb">Klein first meets the Doctor and Ace in '']'' (2001) and later joins him as a companion in ''A Thousand Tiny Wings''.</ref>
			| align="center"| '']'' (2013)<ref group="nb">Klein travels with the Doctor from ''A Thousand Tiny Wings'' to '']'' (2010). A version of Klein from an alternative timeline meets the Doctor in '']'' (2012), travels with him from '']'' (2013) to ''Daleks Among Us'', and encounters him again in '']'' (2018).</ref>
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2010)
			| align="center"| '']'' (2012)
			|-
			! scope="row"| ]
			| Beth Chalmers
			| align="center"| '']'' (2011)<ref group="nb">Raine makes an earlier appearance in '']'' (2011) as a baby.</ref>
			| align="center"| '']'' (2012)<ref group="nb">Raine travels with the Doctor and ] and departs off-screen after '']'' (2011). She returns as a companion without Ace in ''UNIT: Dominion''.</ref>
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2011)
			| align="center"| '']'' (2013)<ref group="nb">Sally departs in ''Afterlife'' (2013) and later appears in '']'' (2014).</ref>
			|-
			! scope="row"| ]
			| Christian Edwards
			| align="center"| '']'' (2013)
			| align="center"| '']'' (2013)
			|-
			! scope="row"| Naomi Cross
			| Eleanor Crooks
			| align="center" | '']'' (2022)
			| {{N/A|TBC}}
			|}
	===Presumed===		===Eighth Doctor===
			{| class="wikitable plainrowheaders" style="width:100%;"
	*] is depicted in episode 8 of '']'' as having been killed by King Yrcanos, upon his discovery that her brain has been replaced by that of Kiv, a member of the ] race.<ref>{{cite serial
			|-
	| title = The Trial of a Time Lord
			! scope="col" style="width:15%;"| Companion
	| seriallink = Mindwarp
			! scope="col" style="width:15%;"| Actor
	| series = Doctor Who
			! scope="col" style="width:10%;"| Series
	| serieslink = Doctor Who
			! scope="col" style="width:20%;"| First story
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| Last story
	| network = BBC
			|-
	| station = BBC One
			! scope="row"| ]
	| airdate = 1986-10-25
			| {{N/A}}
	}}</ref> However, episode 14 of '']'' revealed that Peri had not been killed and had instead become Yrcanos' consort, although it is not explained how the brain transplant was undone or whether it had actually occurred, as several incidents depicted in the arc are revealed to have been fabricated by the ].<ref>{{cite serial
			| rowspan="2" | '']'' strips
	| title = The Trial of a Time Lord
			| rowspan="2" align="center" | '']'' (1996)
	| seriallink = The Ultimate Foe
			| rowspan="2" align="center" | '']'' (1997)
	| series = Doctor Who
			|-
	| serieslink = Doctor Who
			! scope="row"| ]
	| credits = Writer ], Director ]
			| {{N/A}}
	| network = BBC
			|-
	| station = BBC One
			! scope="row"| ]
	| airdate = 1986-12-06
			| ]
	}}</ref>
			| rowspan="3" | '']'' strips
			| align="center"| '']'' (1996)
			| align="center"| '']'' (2002–03)
			|-
			! scope="row"| Fey Truscott-Sade
			| {{N/A}}
			| align="center"| '']'' (1997)
			| align="center"| '']'' (1998)
			|-
			! scope="row"| ]
			| {{N/A}}
			| align="center"| '']'' (2001)
			| align="center"| '']'' (2004–05)
			|-
			! scope="row"| ]
			| ]
			| '']''
			| align="center" colspan="2" | '']'' (1997)<ref group="nb">Bernice meets the Eighth Doctor again in the ] audio plays '']'' (2009) and '']'' (2019).</ref>
			|-
			! scope="row"| Sam Jones
			| {{N/A}}
			| rowspan="5" | '']''
			| align="center"| '']'' (1997)
			| align="center"| '']'' (1999)
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (1999)
			| align="center"| '']'' (2005)
			|-
			! scope="row"| ]
			| Jackie Skarvellis
			| align="center"| '']'' (1999)
			| align="center"| '']'' (2000)<ref group="nb">Compassion departs the Doctor in '']'', but later makes appearances in '']'' and '']''.</ref>
			|-
			! scope="row"| ]
			| {{N/A}}
			| align="center"| '']'' (2001)
			| align="center"| '']'' (2003)<ref group="nb">Anji departs the Doctor in '']'' and later makes a cameo appearance in '']''.</ref>
			|-
			! scope="row"| ]
			| {{N/A}}
			| align="center"| '']'' (2002)
			| align="center"| ''The Gallifrey Chronicles'' (2005)
			|-
			! scope="row"| ]<ref group="nb" name="notd"/>
			| ]
			| rowspan="8" | ] audios
			| align="center"| '']'' (2001)
			| align="center"| '']'' (2007)
			|-
			! scope="row"| ]<ref group="nb" name="notd"/>
			| Conrad Westmaas
			| align="center"| '']'' (2004)
			| align="center"| '']'' (2007)
			|-
			! scope="row"| ]<ref group="nb" name="notd"/>
			| ]
			| align="center"| '']'' (2007)
			| align="center"| '']'' (2011)<ref group="nb">Lucie departs the Doctor in '']'' (2009) before re-appearing as the ]'s companion in '']'' / '']'' (2010). She later appears alongside the Doctor in '']'', '']'', and '']'' (2010-2011).</ref>
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2009)
			| align="center"| '']'' (2011)
			|-
			! scope="row"| ]<ref group="nb" name="notd"/>
			| ]
			| align="center"| '']'' (2010)
			| align="center"| '']'' (2011)<ref group="nb">Tamsin departs the Doctor in '']'' (2010) to join the ]. She later appears alongside the Monk in '']'' (2011).</ref>
			|-
			! scope="row"| ]<ref group="nb" name="notd"/>
			| ], ]
			| align="center"| '']'' (2012)
			| align="center"| '']'' (2014)<ref group="nb">Molly departs the Doctor in ''Rule of the Eminence''. An older version of Molly played by Sorcha Cusack re-appears in '']'' (2015).</ref>
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2014)<ref group="nb">Liv initially appears in '']'' (2011) alongside the Seventh Doctor before joining the Eighth Doctor as a companion in ''The Traitor''.</ref>
			| align="center"| '']'' (2022)<ref group="nb">In a flashforward in ''Best Day Ever'', Liv is depicted as returning to Earth to live with Tania, though the circumstances of her departure is still unknown.</ref>
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2015)
			| {{N/A|TBC}}
			|-
			! scope="row"| ]
			| {{N/A}}
			| ]
			| align="center"| '']'' (2015)
			| align="center"| '']'' (2016)
			|-
			! scope="row"| ]
			| ]
			| rowspan="6" | ] audios
			| align="center"| '']'' (2017)
			| align="center"| '']'' (2020)
			|-
			! scope="row"| Tania Bell
			| ]
			| align="center"| '']'' (2020)
			| align="center"| '']'' (2022)
			|-
			! scope="row"| ]
			| ]
			| align="center"| '']'' (2020)<ref group="nb">Tom Price portrays the character in the Doctor Who spin-off series Torchwood and its corresponding spin-off media.</ref>
			| align="center"| '']'' (2022)
			|-
			! scope="row"| ]
			| Sonny McGann
			| align="center"| '']'' (2023)<ref group="nb">Alex appears alongside the Eighth Doctor in '']'', '']'', and '']'' (2010-2011). At the end of ''Restoration of the Daleks'' (2020), the Doctor encounters an alternate universe counterpart of Alex who joins him as a companion starting in ''Meanwhile, Elsewhere''.</ref>
			| {{N/A|TBC}}
			|-
			! scope="row"| Cass Fermazzi
			| Emma Campbell-Jones
			| align="center"| '']'' (2023)<ref group="nb">Emma Campbell-Jones appears as Cass alongside the Eighth Doctor in the 2013 TV special mini-episode '']'' where she apparently meets the Doctor for the first time, before both of them died in a crash. The Doctor encounters an earlier version of Cass during the Time War who joins him as a companion starting in ''Meanwhile, Elsewhere''.</ref>
			| {{N/A|TBC}}
			|-
			! scope="row"| Audacity Montague
			| ]
			| align="center"| '']'' (2023)
			| {{N/A|TBC}}
			|}
			===War Doctor===
	*] and ] are implied to have died by the events of "]" in the Doctor's personal chronology as the Doctor is said to be the last of the Time Lords following the events of the ]. Susan is left on 22nd century Earth by the First Doctor in '']'' after she falls in love with David Campbell, whilst Romana chooses to remain in E-space to help the Tharils at the end of '']''.
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First story
			! scope="col" style="width:20%;"| Last story
			|-
			! scope="row"| Cinder
			| {{N/A}}
			| '']''
			| align="center" colspan="2" | '']'' (2014)
			|-
			! scope="row"| Cardinal Ollistra
			| ]
			| rowspan="3" | ] audios
			| align="center"| '']'' (2015)
			| align="center"| '']'' (2017)
			|-
			! scope="row"| Case
			| Ajjaz Awad
			| align="center"| '']'' (2021)
			| align="center"| '']'' (2023)
			|-
			! scope="row"| Cora
			| Sheila Ruskin
			| align="center" colspan="2" | '']'' (2024)
			|}
			===Ninth Doctor===
	*] is declared dead in her original universe, though she is trapped in a parallel universe in "]" while trying to save the world from a war between Daleks, Cybermen and humans.<ref>{{cite episode
			{| class="wikitable plainrowheaders" style="width:100%;"
	| title = Doomsday
			|-
	| episodelink = Doomsday (Doctor Who)
			! scope="col" style="width:15%;"| Companion
	| series = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| serieslink = Doctor Who
			! scope="col" style="width:10%;"| Series
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| First story
	| network = BBC
			! scope="col" style="width:20%;"| Last story
	| station = BBC One
			|-
	| airdate = 2006-07-08
			|-
	}}</ref> The Doctor later tells Donna Noble that Rose is "so alive".<ref>{{cite episode
			! scope="row"| ]
	| title = The Runaway Bride
			| {{N/A}}
	| episodelink = The Runaway Bride (Doctor Who)
			| ]
	| series = Doctor Who
			| align="center"| '']'' (2016)
	| serieslink = Doctor Who
			| align="center"| '']'' (2017)
	| credits = Writer ], Director ]
			|-
	| network = BBC
			! scope="row"| Nova
	| station = BBC One
			| ]
	| airdate = 2006-12-25
			| rowspan="6" | ] audios
	}}</ref>
			| align="center"| '']'' (2021)
			| align="center"| '']'' (2021)
			|-
			! scope="row"| ]
			| ]
			| align="center" colspan="2" | '']'' (2022)
			|-
			! scope="row"| Tania Bell
			| ]
			| align="center" colspan="2" | '']'' (2022)
			|-
			! scope="row"| Callen Lennox
			| Adam Martyn
			| align="center"| '']'' (2023)
			| align="center"| '']'' (2023)
			|-
			! scope="row"| Doyle
			| ]
			| align="center"| '']'' (2023)
			| align="center"| '']'' (2023)
			|-
			! scope="row"| ]
			| ]
			| align="center" colspan="2" | '']'' (2024)
			|}
			===Tenth Doctor===
	In the ] audio production '']'', ] is described as having a terminal illness, though her actual death is not depicted.<ref>'']''. Writer ]. Director ]. ], 2006. ISBN 1 84435 195 5.</ref>
			{| class="wikitable plainrowheaders" style="width:100%;"
			|-
			! scope="col" style="width:15%;"| Companion
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
			! scope="col" style="width:20%;"| First story
			! scope="col" style="width:20%;"| Last story
			|-
			! scope="row"| Majenta Pryce
			| {{N/A}}
			| '']'' strips
			| align="center"| '']'' (2008)<ref group="nb">Majenta initially appears in ''Hotel Historia'' before joining the Doctor as a companion in ''Thinktwice''.</ref>
			| align="center"| '']'' (2009–10)
			|-
			! scope="row"| Heather McCrimmon
			| {{N/A}}
			| rowspan="2" | '']'' strips
			| align="center"| '']'' (2009)
			| align="center"| '']'' (2010)<ref group="nb">After her departure in ''Dead-line'', Heather makes a guest appearance in ''Lucky Heather''.</ref>
			|-
			! scope="row"| Wolfgang Ryter
			| {{N/A}}
			| align="center"| '']'' (2009)
			| align="center"| '']'' (2009)<ref group="nb">After his departure in ''Bad Wolfie'', Wolfgang makes a guest appearance in ''Lucky Heather''.</ref>
			|-
			! scope="row"| Matthew Finnegan
			| {{N/A}}
			| rowspan="2" | ] comics
			| rowspan="2" align="center" | '']'' (2009)
			| rowspan="2" align="center" | '']'' (2010)
			|-
			! scope="row"| Emily Winter
			| {{N/A}}
			|-
			! scope="row"| Gabby Gonzalez
			| {{N/A}}
			| rowspan="3" | ]
			| align="center"| '']'' (2014)
			| rowspan="3" align="center" | '']'' (2018)
			|-
			! scope="row"| Cindy Wu
			| {{N/A}}
			| align="center"| '']'' (2014)<ref group="nb">Cindy appears in a number of issues as a friend of Gabby's starting from ''Revolutions of Terror'' until she finally joins as a companion in ''Arena of Fear''.</ref>
			|-
			! scope="row"| Anubis
			| {{N/A}}
			| align="center"| '']'' (2017)<ref group="nb">Anubis appears in a number of issues starting from ''Spiral Staircase'' until he finally joins as a companion in ''Breakfast at Tyranny's''.</ref>
			|-
			! scope="row"| Anya Kingdom
			| ]
			| rowspan="2" | ] audios
			| rowspan="2" align="center" | '']'' (2021)
			| rowspan="2" align="center" | '']'' (2021)
			|-
			! scope="row"| Mark Seven
			| ]
			|}
	===Mitigated===		=== Eleventh Doctor ===
			{| class="wikitable plainrowheaders" style="width:100%;"
	*] and Chang Lee are killed by ] in the ], however they are revived by the TARDIS' link to the ].<ref name="Doctor Who Movie">{{cite serial
			|-
	| title = Doctor Who
			! scope="col" style="width:15%;"| Companion
	| seriallink = Doctor Who (1996 film)
			! scope="col" style="width:15%;"| Actor
	| credits = Writer ], Director ]
			! scope="col" style="width:10%;"| Series
	| network = FOX
			! scope="col" style="width:20%;"| First story
	| station =
			! scope="col" style="width:20%;"| Last story
	| airdate = 1996-05-14
			|-
	}}</ref>
			! scope="row" | Kevin
			| {{N/A}}
			| ] comics
			| ''When Worlds Collide'' (2011)
			| ''Space Squid'' (2011)
			|-
			! scope="row" |Decky Flamboon
			| {{N/A}}
			| '']'' strips
			| ''Meteorite Meeting'' (2012)
			| ''The Tail of Decky Flamboon'' (2013)
			|-
			! scope="row" |Alice Obiefune
			| {{N/A}}
			| rowspan="6" | ]
			|''After Life'' (2014)
			|''Without a Paddle'' (2018)
			|-
			! scope="row" | John Jones
			| {{N/A}}
			|''What He Wants...'' (2014)
			|''The Scream'' (2017)
			|-
			! scope="row" | ARC
			| {{N/A}}
			|''Whodunnit'' (2014)
			|''The Comfort of the Good'' (2015)
			|-
			! scope="row" | Abslom Daak
			| {{N/A}}
			|''The Then and the Now'' (2015)
			|''Physician, Heal Thyself'' (2016)
			|-
			! scope="row" | The Squire
			| {{N/A}}
			|''The Then and the Now'' (2015)
			|''Gently Pulls the Strings'' (2016)
			|-
			! scope="row" | The Sapling
			| {{N/A}}
			|''The Scream'' (2018)
			|''Hungry Thirsty Roots'' (2018)
			|-
			! scope="row" |Valarie Lockwood
			| ]
			| ] audios
			|''The Inheritance'' (2022)
			|''Victory of the Doctor'' (2024)
			|}
			===Twelfth Doctor===
	*] is killed by Daleks in "]" but is brought back to life, and inadvertently given immortality, by ] during her "Bad Wolf" manifestation.<ref>{{cite episode
			{| class="wikitable plainrowheaders" style="width:100%;"
	| title = The Parting of the Ways
			|-
	| episodelink = The Parting of the Ways
			! scope="col" style="width:15%;"| Companion
	| series = Doctor Who
			! scope="col" style="width:15%;"| Actor
	| serieslink = Doctor Who
			! scope="col" style="width:10%;"| Series
	| credits = Writer ], Director ]
			! scope="col" style="width:20%;"| First story
	| network = BBC
			! scope="col" style="width:20%;"| Last story
	| station = BBC One
			|-
	| airdate = 2005-06-18
			! scope="row"| Hattie Munroe
	}}</ref>
			| {{N/A}}
			|]
			| "The Twist" (2016)
			| "Beneath the Waves" (2017)
			|-
			! scope="row"| Jess Collins
			| {{N/A}}
			| rowspan="2" |'']'' strips
			| "The Pestilent Heart" (2016)
			| rowspan=2|"Doorway to Hell" (2017)
			|-
			! scope="row"| Maxwell Collins
			| {{N/A}}
			| "Moving In" (2016)
			|-
			! scope="row"| Jata
			| {{N/A}}
			|'']'' strips
			| "From the Horse's Mouth" (2016)
			| "Killer App" (2017)
			|-
			! scope="row"| Alex Yow
			| {{N/A}}
			| rowspan=3|] audios
			| rowspan=2|"The Lost Angel"
			| rowspan=2|"The Lost Flame"
			|-
			! scope="row"| Brandon Yow
			| {{N/A}}
			|-
			! scope="row"| Keira Sanstrom
			| Bhavnisha Parmar
			| "Flight to Calandra" (2021)
			| "You Only Die Twice" (2024)
			|}
			===Fugitive Doctor===
	==Miscellaneous notes==
			{| class="wikitable plainrowheaders" style="width:100%;"
	{{Trivia|date=July 2008}}
			|-
			! scope="col" style="width:15%;"| Companion
	Vicki, Polly, Mel and Ace are never given surnames on-screen. Mel Bush is fully named in production notes and promotional material, while Vicki Pallister and Dorothy McShane (Ace) gained surnames in ]. Polly's intended surname of Wright was rejected for fear of confusion with previous companion Barbara Wright. The production team had intended that, if revealed in the course of a story, Ace would either have the last name Gale (an allusion to the movie version of ]) or whatever would suit the story.
			! scope="col" style="width:15%;"| Actor
			! scope="col" style="width:10%;"| Series
	Sarah Jane Smith and K-9 Mark III returned in the ] episode "]". She later reappears and acts as a companion in The Stolen Earth and Journey's End.
			! scope="col" style="width:20%;"| First story
			! scope="col" style="width:20%;"| Last story
	Sarah Jane has appeared in three television series, namely ''Doctor Who'', ''K-9 and Company'' and ''The Sarah Jane Adventures''. K-9 Mark III has appeared in two, (''K-9 and Company'' and ''Doctor Who''), as have K-9 Mark IV (''Doctor Who'' and ''The Sarah Jane Adventures''), and Captain Jack and Martha (''Doctor Who'' and ''Torchwood'').
			|-
			! scope="row"| Taslo
	Nine companions have been with the Doctor during his ]:
			| {{N/A}}
	* Ben and Polly - First Doctor to Second Doctor ('']'')
			| ]
	* Sarah Jane (Brigadier Lethbridge-Stewart also present) - Third Doctor to Fourth Doctor ('']'')
			| align="center" colspan="2" | ''Origins'' (2022)
	* Adric, Nyssa and Tegan - Fourth Doctor to Fifth Doctor ('']'')
			|-
	* Peri - Fifth Doctor to Sixth Doctor ('']'')
			|}
	* Mel - Sixth Doctor to Seventh Doctor ('']'')
	* Rose - Ninth Doctor to Tenth Doctor ("]")
	During the Tenth Doctor's aborted regeneration in "]", Rose, Jack and Donna were present. However, The Doctor managed to avoid his regeneration using his spare hand. He forced the regeneration energy into the hand. Donna then touched it and became The 'DoctorDonna'.
	==Spin-off material==
	{{Main|List of companions in Doctor Who spin-offs}}
	==See also==		==See also==
	{{Portal|BBC}}		{{Portal|BBC}}
	*]		*]
	*]		*]
			*]
			==Notes==
			{{reflist|30em|group="nb"}}
			{{notelist}}
	==References==		==References==
	{{reflist|2}}		{{Reflist|30em}}
			==Bibliography==
			* ], Mark Stammers (1995). ''Doctor Who: Companions''. Virgin Publishing. {{ISBN|1852275820}}.
	==External links==		==External links==
	*		*
			{{Doctor Who characters|selected=Companions}}
	{{doctorwhocompanions}}
	{{Doctor Who}}		{{Doctor Who}}
			{{Use dmy dates|date=June 2024}}
			{{Use British English|date=November 2012}}
	]		]
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Latest revision as of 21:21, 25 December 2024

TV series characters

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In the long-running BBC television science fiction programme Doctor Who and related works, the term "companion" refers to a character who travels with, or shares adventures with, the Doctor. A companion is generally the series' co-lead character alongside the Doctor for the duration of their tenure, and in most Doctor Who stories acts as an audience surrogate by providing the lens through which the viewer is introduced to the story, and often, the series itself.

The companion character often furthers the story by asking questions (which helps the audience understand too) and getting into trouble; also by helping, rescuing, or challenging the Doctor. This designation is applied to a character by the show's producers and appears in the BBC's promotional material and off-screen fictional terminology. The Doctor also refers to the show's other leads as their "friends" or "assistants"; the British press have also used the latter term.

History

In the earliest episodes of Doctor Who, the dramatic structure of the programme's cast was rather different from the hero-and-sidekick pattern that emerged later. Initially, the character of the Doctor was unclear, with uncertain motives and abilities. The primary protagonists were schoolteachers Ian Chesterton and Barbara Wright, who provided the audience's point of view in stories set in Earth's history and on alien worlds. Ian in particular served the role of the action hero. The fourth character was the Doctor's granddaughter, Susan, who (though initially presented as an "unearthly child") was intended as an identification figure for younger viewers.

Carole Ann Ford, who played Susan Foreman, became unhappy with the lack of development for her character and chose to leave in the show's second series. The character of Susan was married off to a freedom fighter and left behind to rebuild a Dalek-ravaged Earth. Doctor Who's producers replaced Susan with another young female character, Vicki. Similarly, when Ian and Barbara left, the "action hero" position was filled by astronaut Steven Taylor. This grouping of the Doctor, a young heroic male, and an attractive young female became the programme's pattern throughout the 1960s.

When the programme changed to colour in 1970, its format changed: the Doctor was now Earth-bound and acquired a supporting cast by his affiliation with the paramilitary organisation United Nations Intelligence Taskforce (UNIT). The Third Doctor, more active and physical than his predecessors, made the role of the "action hero" male companion redundant. In the 1970 season, the Doctor was assisted by scientist Liz Shaw and Brigadier Lethbridge-Stewart, along with other UNIT personnel. The intellectual Shaw was replaced by Jo Grant in the following season, and as the programme returned to occasional adventures in outer space, the format shifted once more: while UNIT continued to provide a regular "home base" for Earth-bound stories, in stories on other planets, the Doctor and Jo became a two-person team with a close, personal bond. This pattern, the Doctor with a single female companion, became a template from which subsequent eras of Doctor Who rarely diverged.

In 1974, the character of Harry Sullivan was created by the production team when it was expected that the Fourth Doctor would be played by an older actor who would have trouble with the activity expressed by his predecessor. The role went to 40-year-old Tom Baker, and the part of Harry, no longer required for the action role, was dropped after one season.

In the Fourth Doctor's final season (1980-1981), he acquired three companions (Adric, Tegan, and Nyssa), and this situation continued under the Fifth Doctor for much of his first season. Adric was written out by the method, unusual within the series, of being "killed off" in the serial Earthshock. By the time of the Sixth Doctor in 1985, a single companion had become standard again.

When the series returned in 2005, a single female companion remained the standard format, though intermittent and short-term companions also featured. More consistent exceptions occurred between series 5 and 7, when the Eleventh Doctor travelled with Amy Pond and Rory Williams, and series 10, where the Twelfth Doctor appeared alongside Bill Potts and Nardole. In conjunction with the introduction of the first female Doctor in 2018, the Thirteenth Doctor's era features multiple companions (both male and female) throughout.

Definition

Although the term "companion" is designated to specific characters by the show's producers and appears in the BBC's promotional material and off-screen fictional terminology, there is no formal definition that constitutes such a designation. The definition of who is and is not a companion becomes less clear in the newer series. During the Doctor's latest incarnations, his primary companions, such as Rose Tyler and Martha Jones, have fulfilled a distinct dramatic role, more significant than other, less prominent TARDIS travellers such as Adam, Jack, and Mickey. The British press referred to Martha as the "first ethnic minority companion in the 43-year television history of Doctor Who" despite the presence of Mickey Smith in the previous series—including several episodes in which he travelled in the TARDIS with the Doctor.

The opening credits do little to clarify the situation. In the first two series of the renewed programme, the only supporting actor to receive a title credit is Billie Piper, although short-term companions Bruno Langley (Adam Mitchell), John Barrowman (Jack Harkness) and Noel Clarke (Mickey Smith) all appear. In the third series, Barrowman receives a title credit for his return to the show alongside permanent cast member Freema Agyeman, and in series four Agyeman is restored to the opening titles for her return arc as Martha Jones. Series four also gives Agyeman, Piper, Barrowman, and Elisabeth Sladen title billing for their reappearances in the final two-parter. Clarke also reprises his role in the series four finale; although listed as a companion alongside the other actors on the BBC Doctor Who website, Clarke is not credited in this way. In "The End of Time", John Simm receives title billing for his antagonist role as the Master, ahead of Bernard Cribbins as companion Wilfred Mott. In subsequent years, Claire Skinner, Nick Frost and Mark Gatiss have received title credits in special episodes for roles that are not considered companions, as does Piper for her non-companion return in "The Day of the Doctor".

Companions in the new series also have a more flexible tenure than their classical predecessors. Several companion characters have returned to the series after leaving the Doctor's company, most notably in the Series Four finale "The Stolen Earth"/"Journey's End" (2008), which features a record eight past, present and future companions: Donna is joined by a returning Rose, Martha, Jack, Sarah Jane, and Mickey, while past companion K9 and future companion Wilfred Mott make appearances. This tendency, plus the increase in "one-off" companions like Astrid Peth and Jackson Lake, has further obscured the matter of who is and is not a companion.

Role

The Doctor's companions have assumed a variety of roles—involuntary passengers, assistants (particularly Liz Shaw), friends, and fellow adventurers; and, of course, he regularly gains new companions and loses old ones. Sometimes they return home, and sometimes they find new causes—or loves—on worlds they have visited. A few companions have died during their travels with the Doctor, such as the 12th Doctor's companion Bill Potts. Some have taken trips in the TARDIS by accident like Rose's mother, Jackie Tyler.

Most companions travel in the TARDIS with the Doctor for more than one adventure. Sometimes a guest character takes a role in the story similar to that of a companion, such as photographer Isobel Watkins, who plays a significant role in The Invasion (1968), or Lynda Moss in "Bad Wolf" and "The Parting of the Ways" (2005). In the revived era, some guest characters have gained companion status such as Mickey Smith, River Song, Wilfred Mott, and Craig Owens.

Despite the fact that the majority of the Doctor's companions are young, attractive females, the production team for the 1963–89 series maintained a long-standing taboo against any overt romantic involvement in the TARDIS: for example, Peter Davison, as the Fifth Doctor, was not allowed to put his arm around either Sarah Sutton (Nyssa) or Janet Fielding (Tegan Jovanka). The taboo was controversially broken in the 1996 television movie when the Eighth Doctor was shown kissing companion Grace Holloway. The 2005 series played with this idea by having various characters think that the Ninth Doctor and Rose Tyler were a couple, which they vehemently denied. Since the series revival, the Doctor has kissed many of his companions, including Rose and Jack, although each instance was not necessarily in a romantic context (see also "The Doctor and romance"). In Series 2 of the revival, the Tenth Doctor and Rose develop a romantic connection. Rose mentions sharing a mortgage with him if he were to ever be trapped with her in "The Satan Pit". At the end of Series 2, in "Doomsday", Rose and the Doctor are forcibly separated. The Doctor "burns up a sun to say goodbye" and Rose tells him "I love you". Rose and Martha each developed romantic feelings toward the Doctor. On the opposite side of the same coin, Amy reacted to the stress of her adventures by very aggressively trying to seduce the Doctor on the eve of her own wedding, despite being in love with her fiancé Rory; the Doctor forcibly pushed her off of himself, though she did not immediately cease her pursuit. The Eleventh Doctor also formed a romantic connection with occasional companion River Song, later marrying her.

Returning to the series

Companions rarely returned during the classic series, with the notable exceptions of The Five Doctors (1983) and The Two Doctors (1985), where companions returned alongside their respective Doctors. Otherwise, only Harry Sullivan (Ian Marter) reappears shortly after his departure as a companion in The Android Invasion (1975), and all of the Fifth Doctor's former companions make cameo appearances as he regenerates in The Caves of Androzani (1984). Original companion Ian Chesterton (Wiliam Russell) was planned to return in Mawdryn Undead (1983), but proved unavailable, and Louise Jameson declined an offer to return as Leela for season 19 (1982).

Since the programme's return in 2005, companions have returned to the series more routinely. With the exception of Rory Williams (Arthur Darvill) and Ryan Sinclair (Tosin Cole), all regular companions have returned in some form for their Doctor's final episodes. Additionally, following her initial departure in series 2 (2006), Rose Tyler (Billie Piper) returned in series 4 (2008), appearing briefly throughout the series before fulfilling a starring role in the final three episodes. Piper reprised the role again in the fiftieth anniversary special "The Day of the Doctor". Similarly, Martha Jones (Freema Agyeman) departed in series 3 (2007) but also returned for multiple episodes of series 4, as well as an arc in series 2 of spin-off series Torchwood (2008). Following her initial one-off appearance in "The Runaway Bride" (2006), Donna Noble (Catherine Tate) served as the primary companion throughout series 4, before returning again in the sixtieth anniversary specials (2023).

Classic era companions have also returned to the new series, beginning with Elisabeth Sladen as Sarah Jane Smith. Following her initial reappearance in "School Reunion" (2006), Sladen led spin-off series The Sarah Jane Adventures (2007–2011), and returned to Doctor Who in "The Stolen Earth" / "Journey's End" (2008) and "The End of Time" (2010). Former companion Jo Grant (Katy Manning) also appeared in the Sarah Jane Adventures story Death of the Doctor (2010), where she meets the Eleventh Doctor. In "The Power of the Doctor" (2022), Tegan Jovanka (Janet Fielding) and Ace (Sophie Aldred) return to the series as one-off companions, with Ian, Jo and Melanie Bush (Bonnie Langford) also briefly appearing. Melanie subsequently appears in a recurring role as a member of UNIT, alongside the Fourteenth and Fifteenth Doctors.

Families and childhoods

In the classic era, companions' friends and families were rarely depicted, and almost all were kept unaware of the true nature of the Doctor and the TARDIS.

Conversely, families and friends of most companions in the revived era are extensively depicted, and their adventures with the Doctor are generally not kept secret. The revived era has also featured a number of companions related to other companions by blood or marriage (Donna Noble's grandfather Wilfred Mott; Amy Pond's fiancé (later husband) Rory Williams, and the couple's daughter River Song; former companions Mickey Smith and Martha Jones who married subsequent to their companionship; Graham O'Brien and step-grandson Ryan Sinclair). No such relationships occurred among companions in the classic era, although original companions Ian Chesterton and Barbara Wright are reported in the revived era to have married subsequent to their companionship, and Ben Jackson and Polly are likewise reported to be together. The families of some classic-era companions too have been depicted in the revived era, such as Jo Grant (now known as Jo Jones)'s grandson Santiago Jones; and Sarah Jane Smith's parents, adopted son Luke Smith, adopted daughter Sky Smith, and alternate timeline fiancé Peter Dalton; and Alistair Lethbridge-Stewart's daughter Kate Stewart.

Another change in the revived era is the depiction of many companions' pre-Doctor lives, particularly their childhoods; no companion was so depicted in the classic era. Companions Rose Tyler, Mickey Smith, Adelaide Brooke, Amy Pond, Rory Williams, River Song and Clara Oswald have all been portrayed in their youths by juvenile actors on Doctor Who; the pre-companionship lives of the Pond-Williams-Song family being particularly well-documented. Companions Jack Harkness and Sarah Jane Smith have also been depicted in their youths on their respective spin-off series.

Loss of a companion

In the original run of the show, companions were mostly written as leaving of their own accord, with only a few exceptions. The first death of a regular companion was of Adric, in the 1982 serial Earthshock. This is different in the revived era, with companions more often given tragic endings and the show exploring the theme of loss more. Demaris Oxman makes further distinction of the way this theme is explored by different showrunners, arguing that companions in Steven Moffat's time as showrunner tended to have more tragic endings, while Russell T. Davies wrote departures closely tied to each companion's character.

The impact of such losses has been explored within the show. For example, the loss of Amy and Rory Williams drives the Eleventh Doctor into solitude in Victorian London where he refuses to get involved in the world's affairs anymore. Series 9 dealt with the Twelfth Doctor's growing fear over the potential of losing Clara Oswald. Her death in "Face the Raven" leads the Doctor to undertake extreme measures to undo her fate, as depicted in the Series 9 finale "Hell Bent". The impact of the death of his wife, River Song, is a subplot of both "The Husbands of River Song" and "The Return of Doctor Mysterio".

Steven Moffat, showrunner between 2010 and 2017, has stated that companion deaths are "wrong for Doctor Who", explaining that he does not believe the show should represent the "grittiness" of real life.

Deaths

Several companions are shown to have died in the show's history:

• Katarina, killed in episode 4 of The Daleks' Master Plan when she opens the airlock of a spaceship after being taken hostage by a convict.
• Sara Kingdom is killed in episode 12 of The Daleks' Master Plan when she undergoes extreme ageing as a side effect of the First Doctor's activation of a Time Destructor device.
• Adric dies at the end of Episode 4 of Earthshock while trying to prevent the explosion of a bomb-laden space freighter in Earth's atmosphere.
• Kamelion, an android companion, is destroyed by the Fifth Doctor in Episode 4 of Planet of Fire as an act of mercy after Kamelion is taken over by the Master and asks the Doctor to destroy him.
• K9 Mark III sacrifices himself in "School Reunion" to save the Doctor and his friends from a group of aliens. The subsequent K-9 Mark IV that the Doctor leaves with Sarah Jane tells her that the Mark III's files have been transferred to the new machine.
• Astrid Peth sacrifices herself to kill Max Capricorn by driving him into a reactor core at the end of "Voyage of the Damned". The Tenth Doctor partially resurrects her and sends her atoms into space.
• Adelaide Brooke kills herself in "The Waters of Mars" to preserve a fixed point in time.

Others are implied (or said) to have died years after parting company with the Doctor:

• The Eleventh Doctor learns of the death of Brigadier Lethbridge-Stewart in "The Wedding of River Song" via phone call, coinciding with the death of actor Nicholas Courtney.
• Sarah Jane Smith is confirmed to be dead by 2023 in "The Giggle" by the Fifteenth Doctor when talking to the Fourteenth Doctor about what they had lost, adding that they "loved her". The 2020 webcast ‘Farewell Sarah Jane’ depicts her funeral, with numerous past companions attending as well as the children she mentored in The Sarah Jane Adventures.
• Clara Oswald is implied to have at some point died a permanent death but is able to continue living indefinitely after departing the Doctor.

Mitigations

Not all companion deaths have been permanent. Several companions have been resurrected at some point in the series, including Jack Harkness, Rory Williams, Clara Oswald, and Bill Potts. Other companions died in alternate timelines or alternate lives. In Inferno, evil counterparts of Alistair Lethbridge-Stewart, Liz Shaw, and John Benton died in the destruction of their universe's Earth.

• In The Trial of a Time Lord Peri Brown is killed by King Yrcanos in Mindwarp after her brain is replaced by that of Kiv, a member of the Mentor race. In The Ultimate Foe, however, it is revealed that Peri had not been killed and had become Yrcanos's consort.
• Grace Holloway is killed by the Master, but revived by the TARDIS's link to the Eye of Harmony during the 1996 television movie.
• Jack Harkness is killed by Daleks, but is brought back to life and given immortality by Rose Tyler in "The Parting of the Ways". He died several times in Doctor Who and Torchwood, always returning to life soon afterwards. In "Last of the Time Lords" it is hinted that Harkness might become the Face of Boe, who dies peacefully in "Gridlock" after living for billions of years.
• River Song sacrifices herself in "Forest of the Dead" to save the Doctor's life, but he uploads a digital copy of her consciousness to the data core. River continues to appear in the series at earlier points in her life, and her post-death consciousness reappears in "The Name of the Doctor"
• Rory Williams is killed several times throughout his run. First by the Silurian Restac at the end of "Cold Blood", sacrificing himself to protect the Doctor. He is consumed by a crack in time, which wipes him from existence. Rory reappears in "The Pandorica Opens" as an Auton duplicate created from Amy Pond's memories, and is restored to his old life with the rest of the universe in "The Big Bang". He is shown dying of old age in "The Angels Take Manhattan", in front of himself, Amy Pond, the Eleventh Doctor and his daughter River Song. He and Amy negate the timeline by jumping off a roof, preventing him from being sent further back in time to die of old age downstairs. This kills them both, but they are resurrected when the timeline where they died is negated.
• Amy and Rory are touched by a Weeping Angel and become stuck in Manhattan in "The Angels Take Manhattan". They then die of old age.
• An older version of Amy is erased from existence in "The Girl Who Waited" after helping the Doctor and Rory rescue a younger Amy. When the Doctor admits that both Amys cannot exist in the same timeline, the older Amy chooses to stay behind.
• Clara is killed during "Face the Raven" but resurrected by the Doctor in "Hell Bent".
• Bill Potts is shot and killed by the colony ship's last crew member to halt the advance of the Cybermen in "World Enough and Time". She is converted into an original Mondasian Cyberman and, during "The Doctor Falls", is saved from her grim fate by being turned into sentient humanoid oil by an alien from her first episode.

Spin-off media

Several TV companions have died in spin-off media:

• Liz Shaw dies in the 1997 Virgin New Adventures novel Eternity Weeps by Jim Mortimore, the victim of an extraterrestrial terraforming virus contracted while part of a UNIT team investigating an alien artefact on the Moon. This is contradicted by The Sarah Jane Adventures episode Death of the Doctor, which indicates that Liz Shaw is alive and working on the Moon in 2010; the novel is set in 2003.
• Ace is killed by an explosion in the comic storyline Ground Zero while a companion of the Seventh Doctor. This is also contradicted by the Sarah Jane Adventures storyline Death of the Doctor which indicates she is still alive in 2010, no longer travelling with the Doctor, and running a charity called ACE. Ace then appeared in 2022's The Power of the Doctor.
• Jamie McCrimmon dies an elderly man in the comic storyline The World Shapers.
• Adam Mitchell is killed by an explosion in the comic storyline Prisoners of Time, sacrificing himself to thwart the Master's attempt to destroy reality and saving all eleven Doctors and their companions.
• Leela dies long after Gallifrey is destroyed (it is implied that she survived the Time War) in a trilogy of Big Finish's Companion Chronicles stories, where she is held prisoner by an alien race called the Z'nai.
• In the 2020 web story Farewell, Sarah Jane, Sarah Jane Smith is said to have died.

List of companions on television

The "last serial" column only includes the last serial in which they appeared in a companion role and excludes minor roles, cameos, flashbacks, and so forth. Also, the table refers solely to adventures with the respective Doctor. Some companions who appear with two or more Doctors appear in separate tables.

First Doctor

Further information: First Doctor Further information: Season 1, Season 2, Season 3, Season 4, and The Five Doctors

Companion	Actor	Seasons	First serial	Last serial
Susan Foreman	Carole Ann Ford	1, 2, 1983 special	An Unearthly Child	"The Five Doctors"
Barbara Wright	Jacqueline Hill	1, 2	An Unearthly Child	The Chase
Ian Chesterton	William Russell	1, 2	An Unearthly Child	The Chase
Vicki	Maureen O'Brien	2, 3	The Rescue	The Myth Makers
Steven Taylor	Peter Purves	2, 3	The Chase	The Savages
Katarina	Adrienne Hill	3	The Myth Makers	The Daleks' Master Plan
Sara Kingdom	Jean Marsh	3	The Daleks' Master Plan
Dodo Chaplet	Jackie Lane	3	The Massacre	The War Machines
Polly	Anneke Wills	3, 4	The War Machines	The Tenth Planet
Ben Jackson	Michael Craze	3, 4	The War Machines	The Tenth Planet

Second Doctor

Further information: Second Doctor Further information: Season 4, Season 5, Season 6, The Five Doctors, and Season 22

Companion	Actor	Seasons	First serial	Last serial
Polly	Anneke Wills	4	The Power of the Daleks	The Faceless Ones
Ben Jackson	Michael Craze	4	The Power of the Daleks	The Faceless Ones
Jamie McCrimmon	Frazer Hines	4, 5, 6, 22	The Highlanders	The Two Doctors
Victoria Waterfield	Deborah Watling	4, 5	The Evil of the Daleks	Fury from the Deep
Zoe Heriot	Wendy Padbury	5, 6	The Wheel in Space	The War Games
Brigadier Lethbridge-Stewart	Nicholas Courtney	1983 special	"The Five Doctors"

Third Doctor

Further information: Third Doctor Further information: Season 7, Season 8, Season 9, Season 10, Season 11, and The Five Doctors

The final three listed characters, all associated with UNIT during the Third Doctor's exile to Earth, are sometimes considered his companions despite appearing irregularly during his tenure.

Companion	Actor	Seasons	First serial	Last serial
Liz Shaw	Caroline John	7	Spearhead from Space	Inferno
Jo Grant	Katy Manning	8, 9, 10	Terror of the Autons	The Green Death
Sarah Jane Smith	Elisabeth Sladen	11, 1983 special	The Time Warrior	"The Five Doctors"
UNIT
Brigadier Lethbridge-Stewart	Nicholas Courtney	7, 8, 9, 10, 11	Spearhead from Space	Planet of the Spiders
Sergeant John Benton	John Levene	7, 8, 9, 10, 11	The Ambassadors of Death	Planet of the Spiders
Captain Mike Yates	Richard Franklin	8, 9, 10, 11	Terror of the Autons	Planet of the Spiders

Fourth Doctor

Further information: Fourth Doctor Further information: Season 12, Season 13, Season 14, Season 15, Season 16, Season 17, Season 18, and The Five Doctors

Companion	Actor	Seasons	First serial	Last serial
Sarah Jane Smith	Elisabeth Sladen	12, 13, 14	Robot	The Hand of Fear
Harry Sullivan	Ian Marter	12, 13	Robot	Terror of the Zygons
Leela	Louise Jameson	14, 15	The Face of Evil	The Invasion of Time
K9	John Leeson / David Brierly (voices)	15, 16, 17, 18	The Invisible Enemy	Warriors' Gate
Romana I	Mary Tamm	16	The Ribos Operation	The Armageddon Factor
Romana II	Lalla Ward	17, 18, 1983 special	Destiny of the Daleks	"The Five Doctors"
Adric	Matthew Waterhouse	18	Full Circle	Logopolis
Nyssa	Sarah Sutton	18	Logopolis
Tegan Jovanka	Janet Fielding	18	Logopolis

Fifth Doctor

Further information: Fifth Doctor Further information: Season 19, Season 20, and Season 21

Companion	Actor	Seasons	First serial	Last serial
Adric	Matthew Waterhouse	19	Castrovalva	Earthshock
Nyssa	Sarah Sutton	19, 20	Castrovalva	Terminus
Tegan Jovanka	Janet Fielding	19, 20, 21	Castrovalva	Resurrection of the Daleks
Vislor Turlough	Mark Strickson	20, 21	Mawdryn Undead	Planet of Fire
Kamelion	Gerald Flood (voice)	20, 21	The King's Demons	Planet of Fire
Peri Brown	Nicola Bryant	21	Planet of Fire	The Caves of Androzani

Sixth Doctor

Further information: Sixth Doctor Further information: Season 21, Season 22, and Season 23

Companion	Actor	Seasons	First serial	Last serial
Peri Brown	Nicola Bryant	21, 22, 23	The Twin Dilemma	Mindwarp
Mel Bush	Bonnie Langford	23	Terror of the Vervoids	The Ultimate Foe

Seventh Doctor

Further information: Seventh Doctor Further information: Season 24, Season 25, and Season 26

Companion	Actor	Seasons	First serial	Last serial
Mel Bush	Bonnie Langford	24	Time and the Rani	Dragonfire
Ace	Sophie Aldred	24, 25, 26	Dragonfire	Survival

Eighth Doctor

Further information: Eighth Doctor Further information: Film

Companion	Actor	Seasons	First serial	Last serial
Grace Holloway	Daphne Ashbrook	–	Doctor Who

Ninth Doctor

Further information: Ninth Doctor Further information: Series 1

Companion	Actor	Series	First episode	Last episode
Rose Tyler	Billie Piper	1	"Rose"	"The Parting of the Ways"
Adam Mitchell	Bruno Langley	1	"Dalek"	"The Long Game"
Captain Jack Harkness	John Barrowman	1	"The Empty Child"	"The Parting of the Ways"

Tenth Doctor

Further information: Tenth Doctor Further information: Series 2, Series 3, Series 4, and 2008–2010 specials

Companion	Actor	Series	First episode	Last episode
Rose Tyler	Billie Piper	2, 4	"The Christmas Invasion"	"Journey's End"
Mickey Smith	Noel Clarke	2, 4	"School Reunion"	"Journey's End"
Donna Noble	Catherine Tate	2006 special, 4	"The Runaway Bride"	"Journey's End"
Martha Jones	Freema Agyeman	3, 4	"Smith and Jones"	"Journey's End"
Captain Jack Harkness	John Barrowman	3, 4	"Utopia"	"Journey's End"
Astrid Peth	Kylie Minogue	2007 special	"Voyage of the Damned"
Sarah Jane Smith	Elisabeth Sladen	2, 4	"The Stolen Earth"	"Journey's End"
Jackson Lake	David Morrissey	2008 special	"The Next Doctor"
Rosita Farisi	Velile Tshabalala	2008 special	"The Next Doctor"
Lady Christina de Souza	Michelle Ryan	2009 Easter special	"Planet of the Dead"
Adelaide Brooke	Lindsay Duncan	2009 Autumn special	"The Waters of Mars"
Wilfred Mott	Bernard Cribbins	2009–10 specials	"The End of Time Part One"	"The End of Time Part Two"

Eleventh Doctor

Further information: Eleventh Doctor Further information: Series 5, Series 6, Series 7, and 2013 specials

Companion	Actor	Series	First episode	Last episode
Amy Pond	Karen Gillan	5, 6, 7	"The Eleventh Hour"	"The Angels Take Manhattan"
Rory Williams	Arthur Darvill	5, 6, 7	"The Vampires of Venice"	"The Angels Take Manhattan"
River Song	Alex Kingston	6	"The Impossible Astronaut"	"The Wedding of River Song"
Craig Owens	James Corden	6	"Closing Time"
Clara Oswald	Jenna Coleman	7, 2013 specials	"The Snowmen"	"The Time of the Doctor"

Twelfth Doctor

Further information: Twelfth Doctor Further information: Series 8, Series 9, and Series 10

Companion	Actor	Series	First episode	Last episode
Clara Oswald	Jenna Coleman	8, 9	"Deep Breath"	"Hell Bent"
River Song	Alex Kingston	2015 special	"The Husbands of River Song"
Nardole	Matt Lucas	2016 special, 10	"The Return of Doctor Mysterio"	"The Doctor Falls"
Bill Potts	Pearl Mackie	10, 2017 special	"The Pilot"	"Twice Upon a Time"

Thirteenth Doctor

Further information: Thirteenth Doctor Further information: Series 11, Series 12, Series 13, and 2022 specials

Companion	Actor	Series	First episode	Last episode
Graham O'Brien	Bradley Walsh	11, 12, 2021 special	"The Woman Who Fell to Earth"	"Revolution of the Daleks"
Ryan Sinclair	Tosin Cole	11, 12, 2021 special	"The Woman Who Fell to Earth"	"Revolution of the Daleks"
Yasmin Khan	Mandip Gill	11, 12, 13, 2022 specials	"The Woman Who Fell to Earth"	"The Power of the Doctor"
Captain Jack Harkness	John Barrowman	2021 special	"Revolution of the Daleks"
Dan Lewis	John Bishop	13, 2022 specials	"The Halloween Apocalypse"	"The Power of the Doctor"
Ace	Sophie Aldred	2022 specials	"The Power of the Doctor"
Tegan Jovanka	Janet Fielding	2022 specials	"The Power of the Doctor"

Fourteenth Doctor

Further information: Fourteenth Doctor Further information: 2023 specials

Companion	Actor	Series	First episode	Last episode
Donna Noble	Catherine Tate	2023 specials	"The Star Beast"	"The Giggle"

Fifteenth Doctor

Further information: Fifteenth Doctor Further information: Series 14 and Series 15

Companion	Actor	Series	First episode	Last episode
Ruby Sunday	Millie Gibson	14, 15	"The Church on Ruby Road"	—
Joy Almondo	Nicola Coughlan	2024 special	"Joy to the World"
Belinda Chandra	Varada Sethu	15	—	—

List of companions from other media

The Doctor Who spin-off media have seen the creation of new characters acting as new companions to the Doctor. Most of them have been created to feature as companions for the Sixth, Seventh and Eighth Doctor, in the new products presenting themselves as a prosecution of their adventures beyond the TV series, but there also are new companions for other Doctors. None of them have been featured on television, except for the mention of some Big Finish Productions original characters in the minisode The Night of the Doctor; however, some of them have passed from one media to another.

First Doctor

Companion	Actor	Series	First story	Last story
John and Gillian	—	TV Comic strips	The Klepton Parasites (1964)	The Experimenters (1966)
Oliver Harper	Tom Allen	Big Finish Productions audios	The Perpetual Bond (2011)	The First Wave (2011)

Second Doctor

Companion	Actor	Series	First story	Last story
John and Gillian	—	TV Comic strips	The Extortioners (1966–67)	Invasion of the Quarks (1968)

Third Doctor

Companion	Actor	Series	First story	Last story
Jeremy Fitzoliver	Richard Pearce	BBC Radio dramas	The Paradise of Death (1993)	The Ghosts of N-Space (1996)

Fourth Doctor

Companion	Actor	Series	First story	Last story
Sharon Davies	Rhianne Starbuck	Doctor Who Magazine strips	Doctor Who and the Star Beast (1980)	Dreamers of Death (1981)
Mrs Wibbsey	Susan Jameson	BBC audiobooks	The Stuff of Nightmares (2009)	Survivors in Space (2011)
Ann Kelso	Jane Slavin	Big Finish Productions audios	The Sinestran Kill (2019)	The Perfect Prisoners (2019)
Margaret Hopwood	Nerys Hughes		Ice Heist! (2023)	The Ghost of Margaret (2023)
Naomi Cross	Eleanor Crooks		The Storm of the Sea Devils (2024)	Dominant Species (2024)

Fifth Doctor

Companion	Actor	Series	First story	Last story
Gus Goodman	—	Doctor Who Magazine strips	Lunar Lagoon (1983)	The Moderator (1984)
Erimem	Caroline Morris	Big Finish Productions audios	The Eye of the Scorpion (2001)	The Bride of Peladon (2008)
Thomas Brewster	John Pickard		The Haunting of Thomas Brewster (2008)	A Perfect World (2008)
Amy	Ciara Janson		The Judgement of Isskar (2009)	The Chaos Pool (2009)
Hannah Bartholomew	Francesca Hunt		Moonflesh (2014)	Masquerade (2014)
Brooke	Joanna Horton		The Lady in the Lake (2018)	The Furies (2018)
Marc	George Watkins		Tartarus (2019)	Nightmare of the Daleks (2021)

Sixth Doctor

Companion	Actor	Series	First story	Last story
Frobisher	Robert Jezek	Doctor Who Magazine strips	The Shape Shifter (1984)	The World Shapers (1987)
Grant Markham	—	Virgin Missing Adventures	Time of Your Life (1995)	Killing Ground (1996)
Evelyn Smythe	Maggie Stables	Big Finish Productions audios	The Marian Conspiracy (2000)	Thicker than Water (2005)
Charley Pollard	India Fisher		The Condemned (2007)	Blue Forgotten Planet (2009)
Thomas Brewster	John Pickard		The Crimes of Thomas Brewster (2011)	Industrial Evolution (2011)
Flip Jackson	Lisa Greenwood		The Curse of Davros (2012)	TBC
Constance Clarke	Miranda Raison		Criss-Cross (2015)	TBC
Hebe Harrison	Ruth Madeley		The Rotting Deep (2022)	The Wrong Side of History (2023)

Seventh Doctor

Companion	Actor	Series	First story	Last story
Frobisher	Robert Jezek	Doctor Who Magazine strips	A Cold Day in Hell! (1987–88)
Olla	—		A Cold Day in Hell! (1987–88)	Redemption! (1988)
Bernice Summerfield	Lisa Bowerman	Virgin New Adventures	Love and War (1992)	Happy Endings (1996)
Roz Forrester	Yasmin Bannerman		Original Sin (1995)	So Vile a Sin (1997)
Chris Cwej	Travis Oliver			Lungbarrow (1997)
Hex Schofield	Philip Olivier	Big Finish Productions audios	The Harvest (2004)	Signs and Wonders (2014)
Elizabeth Klein	Tracey Childs		A Thousand Tiny Wings (2010)	Daleks Among Us (2013)
Lysandra Aristedes	Maggie O'Neill		Project: Destiny (2010)	Gods and Monsters (2012)
Raine Creevy	Beth Chalmers		Crime of the Century (2011)	UNIT: Dominion (2012)
Sally Morgan	Amy Pemberton		House of Blue Fire (2011)	Afterlife (2013)
Will Arrowsmith	Christian Edwards		Persuasion (2013)	Daleks Among Us (2013)
Naomi Cross	Eleanor Crooks		London Orbital (2022)	TBC

Eighth Doctor

Companion	Actor	Series	First story	Last story
Stacy Townsend	—	Radio Times strips	Dreadnought (1996)	Coda (1997)
Ssard	—
Izzy Sinclair	Jemima Rooper	Doctor Who Magazine strips	Endgame (1996)	Oblivion (2002–03)
Fey Truscott-Sade	—		Tooth and Claw (1997)	Wormwood (1998)
Destrii	—		Ophidius (2001)	The Flood (2004–05)
Bernice Summerfield	Lisa Bowerman	Virgin New Adventures	The Dying Days (1997)
Sam Jones	—	Eighth Doctor Adventures	The Eight Doctors (1997)	Interference – Book Two (1999)
Fitz Kreiner	Matt Di Angelo		The Taint (1999)	The Gallifrey Chronicles (2005)
Compassion	Jackie Skarvellis		Interference – Book One (1999)	The Ancestor Cell (2000)
Anji Kapoor	—		Escape Velocity (2001)	Timeless (2003)
Trix MacMillan	—		Time Zero (2002)	The Gallifrey Chronicles (2005)
Charley Pollard	India Fisher	Big Finish Productions audios	Storm Warning (2001)	The Girl Who Never Was (2007)
C'rizz	Conrad Westmaas		The Creed of the Kromon (2004)	Absolution (2007)
Lucie Miller	Sheridan Smith		Blood of the Daleks (2007)	To the Death (2011)
Mary Shelley	Julie Cox		The Company of Friends (2009)	Army of Death (2011)
Tamsin Drew	Niky Wardley		Situation Vacant (2010)	To the Death (2011)
Molly O'Sullivan	Ruth Bradley, Sorcha Cusack		The Great War (2012)	Rule of the Eminence (2014)
Liv Chenka	Nicola Walker		The Traitor (2014)	Best Year Ever (2022)
Helen Sinclair	Hattie Morahan		The Red Lady (2015)	TBC
Josie Day	—	Titan Comics	The Pictures of Josephine Day (2015)	A Matter of Life and Death (2016)
Bliss	Rakhee Thakrar	Big Finish Productions audios	The Starship of Theseus (2017)	Restoration of the Daleks (2020)
Tania Bell	Rebecca Root		Lost Property (2020)	Best Year Ever (2022)
Andy Davidson	Tom Price		Must-See TV (2020)	Best Year Ever (2022)
Alex Campbell	Sonny McGann		Meanwhile, Elsewhere (2023)	TBC
Cass Fermazzi	Emma Campbell-Jones		Meanwhile, Elsewhere (2023)	TBC
Audacity Montague	Jaye Griffiths		The Devouring (2023)	TBC

War Doctor

Companion	Actor	Series	First story	Last story
Cinder	—	New Series Adventures	Engines of War (2014)
Cardinal Ollistra	Jacqueline Pearce	Big Finish Productions audios	The Innocent (2015)	The Enigma Dimension (2017)
Case	Ajjaz Awad		Consequences (2021)	Exit Strategy (2023)
Cora	Sheila Ruskin		Morbius the Mighty (2024)

Ninth Doctor

Companion	Actor	Series	First story	Last story
Tara Mishra	—	Titan Comics	Official Secrets (2016)	The Bidding War (2017)
Nova	Camilla Beeput	Big Finish Productions audios	Sphere of Freedom (2021)	Food Fight (2021)
Liv Chenka	Nicola Walker		Flatpack (2022)
Tania Bell	Rebecca Root		Flatpack (2022)
Callen Lennox	Adam Martyn		Red Darkness (2023)	The Green Gift (2023)
Doyle	Harki Bhambra		Red Darkness (2023)	The Green Gift (2023)
Bernice Summerfield	Lisa Bowerman		Ancient History (2024)

Tenth Doctor

Companion	Actor	Series	First story	Last story
Majenta Pryce	—	Doctor Who Magazine strips	Thinktwice (2008)	The Crimson Hand (2009–10)
Heather McCrimmon	—	Doctor Who Adventures strips	The Chromosome Connection (2009)	Dead-line (2010)
Wolfgang Ryter	—		Flight of the Giurgeax (2009)	Bad Wolfie (2009)
Matthew Finnegan	—	IDW Publishing comics	Silver Scream (2009)	Final Sacrifice (2010)
Emily Winter	—
Gabby Gonzalez	—	Titan Comics	Revolutions of Terror (2014)	The Good Companion (2018)
Cindy Wu	—		Arena of Fear (2014)
Anubis	—		Breakfast at Tyranny's (2017)
Anya Kingdom	Jane Slavin	Big Finish Productions audios	Buying Time (2021)	The Triumph of Davros (2021)
Mark Seven	Joe Sims

Eleventh Doctor

Companion	Actor	Series	First story	Last story
Kevin	—	IDW Publishing comics	When Worlds Collide (2011)	Space Squid (2011)
Decky Flamboon	—	Doctor Who Adventures strips	Meteorite Meeting (2012)	The Tail of Decky Flamboon (2013)
Alice Obiefune	—	Titan Comics	After Life (2014)	Without a Paddle (2018)
John Jones	—		What He Wants... (2014)	The Scream (2017)
ARC	—		Whodunnit (2014)	The Comfort of the Good (2015)
Abslom Daak	—		The Then and the Now (2015)	Physician, Heal Thyself (2016)
The Squire	—		The Then and the Now (2015)	Gently Pulls the Strings (2016)
The Sapling	—		The Scream (2018)	Hungry Thirsty Roots (2018)
Valarie Lockwood	Safiyya Ingar	Big Finish Productions audios	The Inheritance (2022)	Victory of the Doctor (2024)

Twelfth Doctor

Companion	Actor	Series	First story	Last story
Hattie Munroe	—	Titan Comics	"The Twist" (2016)	"Beneath the Waves" (2017)
Jess Collins	—	Doctor Who Magazine strips	"The Pestilent Heart" (2016)	"Doorway to Hell" (2017)
Maxwell Collins	—		"Moving In" (2016)
Jata	—	Doctor Who Adventures strips	"From the Horse's Mouth" (2016)	"Killer App" (2017)
Alex Yow	—	Big Finish Productions audios	"The Lost Angel"	"The Lost Flame"
Brandon Yow	—
Keira Sanstrom	Bhavnisha Parmar		"Flight to Calandra" (2021)	"You Only Die Twice" (2024)

Fugitive Doctor

Companion	Actor	Series	First story	Last story
Taslo	—	Titan Comics	Origins (2022)

See also

• List of Doctor Who supporting characters
• List of companions in Doctor Who spin-offs
• List of Doctor Who cast members

Notes

1. Expressed in "The Witch's Familiar", "Before the Flood", "The Girl Who Died", "The Woman Who Lived", and "The Zygon Inversion"
2. Susan travelled with the Doctor prior to the events of An Unearthly Child.
3. Susan leaves the Doctor in The Dalek Invasion of Earth, later appearing in "The Five Doctors" as companion to the First Doctor (then played by Richard Hurndall).
4. ^ Also makes a cameo appearance in "The Power of the Doctor"
5. ^ Polly and Ben continue travelling with the Doctor following his regeneration in The Tenth Planet.
6. Jamie is played by Hamish Wilson in parts of The Mind Robber episodes 2 and 3, while Frazer Hines was suffering from chickenpox.
7. Jamie returns to his own time in The War Games, but later appears in the Sixth Doctor-era story The Two Doctors, again as the Second Doctor's companion.
8. ^ Also makes a cameo appearance in "The Five Doctors"
9. First appears in The Web of Fear (as Colonel) and The Invasion alongside the Second Doctor, before appearing as a semi-regular character throughout the Third Doctor's era. He further appears in Robot and Terror of the Zygons alongside the Fourth Doctor, and Mawdryn Undead alongside the Fifth Doctor before serving as the Second Doctor's companion in "The Five Doctors". He subsequently appears in The Sarah Jane Adventures story Enemy of the Bane.
10. Jo also appears in The Sarah Jane Adventures story Death of the Doctor (2010), alongside Sarah Jane Smith and the Eleventh Doctor.
11. Sarah continues to travel with the Doctor following his regeneration in Planet of the Spiders, and after her later departure from the series serves as the Third Doctor's companion once more in "The Five Doctors".
12. Lethbridge-Stewart appears alongside the Second Doctor as a colonel in The Web of Fear and subsequently as a brigadier in The Invasion.
13. Subsequently appears in Robot, Terror of the Zygons, Mawdryn Undead and Battlefield, and as the Second Doctor's companion in "The Five Doctors"
14. Darren Plant portrayed John Benton as a baby in The Time Monster, and Steven Stanley did so as a child in the direct-to-video release, Wartime.
15. Benton appears alongside the Second Doctor in The Invasion as Corporal Benton.
16. Subsequently appears with the Fourth Doctor in Robot, Terror of the Zygons and The Android Invasion as WO2 Benton
17. Harry also appears in The Android Invasion
18. The "Mark I" incarnation of K-9, who leaves the Doctor in The Invasion of Time, returns in the independent spin-off series K-9, regenerating into a newer form. A further model of K-9, "Mark III", features in the pilot of K-9 and Company with Sarah Jane Smith, and Doctor Who episode "School Reunion" with the Tenth Doctor and Sarah Jane. Killed and replaced by K-9 Mark IV in the latter episode, he subsequently appears irregularly in The Sarah Jane Adventures, and also the Doctor Who episode "Journey's End".
19. Romana leaves the Doctor in Warriors' Gate, and subsequently reappears as the Fourth Doctor's companion in "The Five Doctors" (in footage from Shada).
20. ^ Adric, Nyssa and Tegan continue travelling with the Doctor following his regeneration in Logopolis.
21. Nyssa also appears in The Keeper of Traken.
22. Adric also makes a cameo appearance in Time-Flight.
23. ^ Also makes a cameo appearance in The Caves of Androzani
24. Due to problems with the robotic prop, Kamelion was not featured in the five serials between his first and last stories. Planned scenes in The Awakening were cut and never broadcast.
25. Peri continues travelling with the Doctor following his regeneration in The Caves of Androzani.
26. The series never establishes how Mel meets the Doctor, who first appears as part of the Doctor's future. Their first meeting is recounted in the Past Doctor Adventures novel Business Unusual and the Big Finish Productions audio-drama The Wrong Doctors.
27. Mel continues travelling with the Doctor following his regeneration in Time and the Rani.
28. Mel makes a cameo appearance in "The Power of the Doctor" (2022) and becomes a recurring guest star in the eras of the Fourteenth and Fifteenth Doctors.
29. Julia Joyce portrays a young Rose in "Father's Day"
30. Rose continues travelling with the Doctor following his regeneration in "The Parting of the Ways".
31. Rose departs in "Doomsday", and makes brief cameo appearances in "Partners in Crime", "The Poison Sky" and "Midnight" before returning as a companion from "Turn Left" to "Journey's End". She briefly appears in "The End of Time", and in "The Day of the Doctor" as the interface of the Moment device selects an image of Rose to assist the War Doctor.
32. Mickey is introduced in "Rose" as Rose's boyfriend and recurs regularly before becoming a companion.
33. Mickey departs in "The Age of Steel" and re-appears in "Army of Ghosts" / "Doomsday" before returning as a companion in "Journey's End". He also appears in "The End of Time".
34. Introduced in "Doomsday" as "The Bride"
35. After initially refusing to join the Doctor on his travels in "The Runaway Bride", Donna returns as a regular companion from "Partners in Crime". She also appears in "The End of Time".
36. Martha departs in "Last of the Time Lords", but returns from "The Sontaran Stratagem" to "The Doctor's Daughter" and again for "The Stolen Earth" / "Journey's End". She also appears in "The End of Time".
37. Jack rejoins the Doctor in "Utopia" before departing in "Last of the Time Lords", but returns again for "The Stolen Earth" / "Journey's End". He also appears in "The End of Time".
38. Previously appears with the Tenth Doctor in "School Reunion".
39. Also appears in "The End of Time". Additionally, the Doctor appears alongside Sarah Jane in The Sarah Jane Adventures stories The Wedding of Sarah Jane Smith and Death of the Doctor, in his Tenth and Eleventh incarnations respectively.
40. Rachel Fewell portrays a younger Adelaide in flashback
41. Wilf is introduced in "Voyage of the Damned" and recurs throughout series 4 as Donna's grandfather. He officially becomes a short-term companion in "The End of Time".
42. Caitlin Blackwood plays a young Amy (as Amelia) in "The Eleventh Hour", "The Big Bang", "Let's Kill Hitler" and "The God Complex", along with archival footage in "The Angels Take Manhattan"
43. ^ Amy and Rory are left by the Doctor in "The God Complex", but appear briefly in "Closing Time" and feature as companions again in "The Wedding of River Song". They appear in the final scene of "The Doctor, the Widow and the Wardrobe", before returning as companions from "Asylum of the Daleks".
44. An illusionary Amy appears to the Doctor before his regeneration in "The Time of the Doctor".
45. A younger Rory is played by Ezekiel Wigglesworth in "Let's Kill Hitler".
46. Also appears in "The Eleventh Hour"
47. Rory is killed in "Cold Blood", but returns in "The Pandorica Opens" as an Auton duplicate before being restored to humanity and resuming his travels with the Doctor and Amy in "The Big Bang".
48. Earlier incarnations of River Song (as Melody Pond) are played by Sydney Wade in "The Impossible Astronaut" / "Day of the Moon", and Maya Glace-Green and Nina Toussaint-White in "Let's Kill Hitler".
49. River first appears alongside the Tenth Doctor in "Silence in the Library" / "Forest of the Dead", introduced as a companion from his relative future who calls the Doctor to her aid. Progressively younger versions of River subsequently summon the Eleventh Doctor in "The Time of Angels" / "Flesh and Stone" and "The Pandorica Opens" / "The Big Bang", before the future Doctor summons her to his death in "The Impossible Astronaut".
50. River refuses the Doctor's offer to travel with him permanently in "Day of the Moon". She subsequently features as a companion in "A Good Man Goes to War", "Let's Kill Hitler" and "The Wedding of River Song", and also appears in "Closing Time". She later appears in "The Angels Take Manhattan" and "The Name of the Doctor".
51. Also appears in "The Lodger"
52. Sophie Downham appears as young Clara in the prequel to "The Bells of Saint John", "The Rings of Akhaten" and "The Name of the Doctor".
53. Coleman first appeared as Oswin Oswald in "Asylum of the Daleks", revealed in "The Name of the Doctor" to be one of multiple echoes of Clara distributed across time. In "The Snowmen", Coleman initially plays another echo of Clara, with her original iteration appearing briefly at the end of the episode. The latter Clara joins the Doctor permanently in "The Bells of Saint John".
54. Clara continues traveling with the Doctor following his regeneration in "The Time of the Doctor".
55. Clara dies in "Face the Raven" and appears only as an illusion in "Heaven Sent", before being temporarily rescued from death and appearing as a companion for the final time in "Hell Bent". She subsequently briefly appears in "Twice Upon a Time".
56. Nardole first appears in "The Husbands of River Song" before appearing as a companion from "The Return of Doctor Mysterio".
57. Nardole departs in "The Doctor Falls" before briefly reappearing in "Twice Upon a Time".
58. Also appears in "The Power of the Doctor"
59. Also appears in "Fugitive of the Judoon"
60. Ruby departs in "Empire of Death" but is set to return in Series 15.
61. Later revealed to be named Anya Kingdom.
62. Ann departs the Doctor in The Perfect Prisoners but re-appears in The Dalek Protocol (2021).
63. Margaret first meets the Doctor in The Ravencliff Witch (2022) and later joins him as a companion in Ice Heist!
64. Initially called Amy during her travels with the Doctor, she renames herself Abby before their reunion.
65. Abby departs the Doctor in The Chaos Pool (2009) but re-appears in Wicked Sisters (2020).
66. Frobisher departs the Sixth Doctor off-screen after The World Shapers, but they reunite in the graphic novel The Age of Chaos and the Big Finish Productions audio plays The Holy Terror and The Maltese Penguin.
67. Evelyn's departure from the Sixth Doctor is depicted in flashbacks of Thicker than Water, where she reunites with the Sixth Doctor and new companion Mel. She re-appears with the Seventh Doctor in A Death in the Family (2010).
68. ^ Mentioned in The Night of the Doctor.
69. Flip first meets the Doctor in The Crimes of Thomas Brewster (2011) and later joins him as a companion from The Curse of Davros to Scavenger (2014). She re-joins the Doctor and new companion Constance in Quicksilver (2016).
70. Bernice departs the Seventh Doctor in Happy Endings, but later appears in Return of the Living Dad, So Vile a Sin, and Eternity Weeps. She rejoins the Seventh Doctor and Ace in the Big Finish Productions audio series The New Adventures of Bernice Summerfield.
71. Klein first meets the Doctor and Ace in Colditz (2001) and later joins him as a companion in A Thousand Tiny Wings.
72. Klein travels with the Doctor from A Thousand Tiny Wings to The Architects of History (2010). A version of Klein from an alternative timeline meets the Doctor in UNIT: Dominion (2012), travels with him from Persuasion (2013) to Daleks Among Us, and encounters him again in Warlock's Cross (2018).
73. Raine makes an earlier appearance in Thin Ice (2011) as a baby.
74. Raine travels with the Doctor and Ace and departs off-screen after Earth Aid (2011). She returns as a companion without Ace in UNIT: Dominion.
75. Sally departs in Afterlife (2013) and later appears in Signs and Wonders (2014).
76. Bernice meets the Eighth Doctor again in the Big Finish Productions audio plays The Company of Friends (2009) and Lies in Ruins (2019).
77. Compassion departs the Doctor in The Ancestor Cell, but later makes appearances in Escape Velocity and The Gallifrey Chronicles.
78. Anji departs the Doctor in Timeless and later makes a cameo appearance in The Gallifrey Chronicles.
79. Lucie departs the Doctor in Death in Blackpool (2009) before re-appearing as the Monk's companion in The Book of Kells / The Resurrection of Mars (2010). She later appears alongside the Doctor in Relative Dimensions, Prisoner of the Sun, and Lucie Miller / To the Death (2010-2011).
80. Tamsin departs the Doctor in The Resurrection of Mars (2010) to join the Monk. She later appears alongside the Monk in Lucie Miller / To the Death (2011).
81. Molly departs the Doctor in Rule of the Eminence. An older version of Molly played by Sorcha Cusack re-appears in Master of the Daleks / Eye of Darkness (2015).
82. Liv initially appears in Robophobia (2011) alongside the Seventh Doctor before joining the Eighth Doctor as a companion in The Traitor.
83. In a flashforward in Best Day Ever, Liv is depicted as returning to Earth to live with Tania, though the circumstances of her departure is still unknown.
84. Tom Price portrays the character in the Doctor Who spin-off series Torchwood and its corresponding spin-off media.
85. Alex appears alongside the Eighth Doctor in An Earthly Child, Relative Dimensions, and Lucie Miller / To the Death (2010-2011). At the end of Restoration of the Daleks (2020), the Doctor encounters an alternate universe counterpart of Alex who joins him as a companion starting in Meanwhile, Elsewhere.
86. Emma Campbell-Jones appears as Cass alongside the Eighth Doctor in the 2013 TV special mini-episode The Night of the Doctor where she apparently meets the Doctor for the first time, before both of them died in a crash. The Doctor encounters an earlier version of Cass during the Time War who joins him as a companion starting in Meanwhile, Elsewhere.
87. Majenta initially appears in Hotel Historia before joining the Doctor as a companion in Thinktwice.
88. After her departure in Dead-line, Heather makes a guest appearance in Lucky Heather.
89. After his departure in Bad Wolfie, Wolfgang makes a guest appearance in Lucky Heather.
90. Cindy appears in a number of issues as a friend of Gabby's starting from Revolutions of Terror until she finally joins as a companion in Arena of Fear.
91. Anubis appears in a number of issues starting from Spiral Staircase until he finally joins as a companion in Breakfast at Tyranny's.

1. The inclusion of Sara Kingdom as a companion varies; e.g. she does not appear on the BBC website list of companions. However, she is listed as a companion in many other sources.

References

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2. Ainsworth, John, ed. (2015). Doctor Who: The Complete History: Volume 1. Panini UK/Hachette Partworks. p. 25. The old man would have a teenage girl companion for younger viewers to relate to, along with another couple between whom a romance could develop.
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27. Death of the Doctor
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29. The Wedding of Sarah Jane Smith
30. "The Power of Three", "The Day of the Doctor"
31. "Father's Day"
32. Ibid.
33. "The Waters of Mars"
34. "The Eleventh Hour", "The Big Bang", "Let's Kill Hitler", "The God Complex", "The Angels Take Manhattan"
35. "Let's Kill Hitler"
36. "A Good Man Goes to War", "The Impossible Astronaut", "Day of the Moon", "Let's Kill Hitler"
37. The prequel to "The Bells of Saint John"
38. "Adam"
39. The Temptation of Sarah Jane Smith, Whatever Happened to Sarah Jane?
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45. Inferno
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Bibliography

• David J. Howe, Mark Stammers (1995). Doctor Who: Companions. Virgin Publishing. ISBN 1852275820.

External links

• Guide to classic series companions on the BBC's Doctor Who site

v t e Doctor Who characters
Incarnations of the Doctor Series leads First Second Third Fourth Fifth Sixth Seventh Eighth Ninth Tenth Eleventh Twelfth Thirteenth Fourteenth Fifteenth Other The Valeyard War Doctor Fugitive Doctor See also Dr. Who Actors who have played the Doctor Actors considered for the part of the Doctor
Companions and allies Companions Television Susan Foreman Ian Chesterton Barbara Wright Vicki Steven Taylor Dodo Chaplet Ben and Polly Jamie McCrimmon Victoria Waterfield Zoe Heriot Liz Shaw Jo Grant Sarah Jane Smith Harry Sullivan Leela K9 Romana Adric Nyssa Tegan Jovanka Vislor Turlough Peri Brown Mel Bush Ace Grace Holloway Rose Tyler Adam Mitchell Jack Harkness Mickey Smith Donna Noble Martha Jones Astrid Peth Wilfred Mott Amy Pond Rory Williams River Song Clara Oswald Nardole Bill Potts Graham O'Brien Ryan Sinclair Yasmin Khan Ruby Sunday Spin-offs Kroton Bernice Summerfield Izzy Sinclair Destrii Charley Pollard Allies Sara Kingdom Brigadier Lethbridge-Stewart Professor Chronotis Jackie Tyler Harriet Jones Toshiko Sato Pete Tyler Jenny Gwen Cooper Ianto Jones Luke Smith Paternoster Gang Kate Lethbridge-Stewart Danny Pink Ashildr See also Iris Wildthyme
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