Companion

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First row (L-R): Susan Foreman (Carole Ann Ford), Barbara Wright (Jacqueline Hill), Ian Chesterton (William Russell), Vicki (Maureen O'Brien) and Steven Taylor (Peter Purves)

Second row (L-R): Katarina (Adrienne Hill), Sara Kingdom (Jean Marsh), Dodo Chaplet (Jackie Lane), Polly (Anneke Wills) and Ben Jackson (Michael Craze)

Third row (L-R): Jamie McCrimmon (Frazer Hines), Victoria Waterfield (Deborah Watling), Zoe Heriot (Wendy Padbury), Liz Shaw (Caroline John) and Jo Grant (Katy Manning)

Fourth row (L-R): Sarah Jane Smith (Elisabeth Sladen), Harry Sullivan (Ian Marter), Leela (Louise Jameson), K-9 Mark I and K-9 Mark II

Fifth row (L-R): Romana (Mary Tamm), Romana II (Lalla Ward), Adric (Matthew Waterhouse), Tegan Jovanka (Janet Fielding) and Nyssa of Traken (Sarah Sutton)

Sixth row (L-R): Vislor Turlough (Mark Strickson), Kamelion, Peri Brown (Nicola Bryant), Mel Bush (Bonnie Langford) and Ace (Sophie Aldred)

Seventh row (L-R): Grace Holloway (Daphne Ashbrook), Rose Tyler (Billie Piper), Adam Mitchell (Bruno Langley), Jack Harkness (John Barrowman) and Mickey Smith (Noel Clarke)

Eighth row (L-R): Donna Noble (Catherine Tate), Martha Jones (Freema Agyeman), Astrid Peth (Kylie Minogue), Christina de Souza (Michelle Ryan) and Adelaide (Lindsay Duncan)

Ninth row (L-R): Wilfred Mott (Bernard Cribbins) and Amy Pond (Karen Gillan)

For a full list of the Doctor's companions see: List of companions.

Over the centuries, the Doctor has acquired numerous companions in his travels through space and time.

Overview

Some appear to have travelled with him for years, others for just a few days. While these companions have included members of various species from different planets, most have been humans from the planet Earth, especially the 20th and 21st centuries. Most of these, in turn, have been young females. The earliest known companion of the Doctor was Susan Foreman, who was his granddaughter and a fellow native of Gallifrey. He has also had at least one fellow Time Lord as a companion (Romana - it is not known whether Susan was considered a Time Lord during her travels with the Doctor). Not all of the Doctor's companions have been humanoid or even near-human. He has also travelled with (K-9 Mark I and II, the shape-changing android (Kamelion) and a Whifferdill who preferred to maintain the form of an earth penguin (Frobisher), among others. One accounts shows the Doctor traveling with an android version of the Master (WC: Scream of the Shalka).

Nor do companions necessarily need to travel with the Doctor, though almost all do. Some friends of the Doctor generally accorded companion status are Brigadier Lethbridge-Stewart, Astrid Peth, and Grace Holloway.

Relationships

Most evidence indicates the Doctor's relationships with his companions have been platonic in nature. There have been some instances where a relationship between the Doctor and a companion may have developed beyond simple friendship, but the only confirmed case of this (to date) has been the relationship between the Doctor and Rose Tyler (DW: Doomsday, Journey's End). At least three companions have indicated they had fallen in love with the Doctor, although the Doctor did not appear to reciprocate: Sarah Jane Smith (DW: School Reunion), Jack Harkness (DW: Utopia, et al) and Martha Jones (Last of the Time Lords, et al). The Doctor, in his tenth incarnation, also encountered River Song, a woman from his personal future who claimed to have been not only a companion, but to also share a relationship with the Doctor intimate enough for him to tell her his real name (DW: Silence in the Library/Forest of the Dead). The Doctor, for his part, once told Rose that he couldn't allow himself to develop such feelings, due to the reality that, as a Time Lord, he can expect to live for centuries, while a human companion would age and die. (DW: School Reunion) However, by the time Rose became trapped on Pete's World, the Doctor had changed this attitude, at least in terms of Rose; her subsequent loss to a parallel world sent the Doctor into an emotional tailspin halted by his later companionships with Donna Noble and Martha Jones. Despite the close friendships that developed, he remained emotionally distant from Martha in particular, despite (perhaps due to) her own direct professions of love for the Doctor; she eventually left him due to this (DW: Last of the Time Lords), although she remained close to him and would reunite with him on several occasions thereafter (DW: The Sontaran Strategem, Journey's End).

The Doctor, in his tenth incarnation, once stated that, of all his companions, the one he regretted leaving behind the most was his granddaughter, Susan. (IDW: The Forgotten) And he once confided to Jackson Lake that, ultimately, his heart is broken when a companion leaves him (DW: The Next Doctor).

Use of the term "companion"

The exact term used to describe these various friends of the Doctor has varied over the years, ranging from "friend" to "assistant" to "companion". Among the few uses of the term in an official sense were via former Prime Minister Harriet Jones when she activated the Sub-Wave Network and identified Martha Jones as "former companion of the Doctor" (DW: The Stolen Earth) and by Yvonne Hartman of Torchwood 1 who said "the Doctor and his companion" was the general pattern of the TARDIS crew. Jones also referred to the former companions of the the Doctor as "The Doctor's Secret Army" (DW: The Stolen Earth), while Dalek Caan referred to them as the Children of Time (DW: Journey's End).

Joining the Doctor

Companions have come and gone in many different ways. Some, such as Rose Tyler, have been explicitly invited (DW: Rose); some have been unwilling adventurers, such as Ian Chesterton and Barbara Wright (DW: An Unearthly Child); while some have joined the TARDIS crew by accident, such as Dodo Chaplet (DW: The Massacre of St Bartholomew's Eve). A few individuals have been invited to join the Doctor in his travels, only to decline, such as Grace Holloway (DW: Doctor Who: The TV Movie) and (initially) Donna Noble (DW: The Runaway Bride); others, having been invited, were ultimately prevented from joining the Doctor due to their deaths, such as Lynda Moss (DW: The Parting of the Ways), Madame de Pompadour (DW: The Girl in the Fireplace), Astrid Peth (DW: Voyage of the Damned) and Jenny (DW: The Doctor's Daughter) - although in Jenny's case her "death" was only temporary though was still prevented from joining the Doctor in his travels (so she went off on her own instead).

On a few occasions an individual has asked to join the Doctor in his travels, only to be refused. Recent examples include Bayldon Copper (DW: Voyage of the Damned) and Christina de Souza (DW: Planet of the Dead).

Leaving the Doctor

Companions have departed the Doctor for various reasons. Some have left after becoming disillusioned with the life of a time-traveller, such as Tegan Jovanka (DW: Resurrection of the Daleks), while a number of companions have departed in order to forge a new life in a new time or world, such as Vicki (DW: The Myth Makers), Mickey Smith (DW: The Age of Steel) and Susan Foreman (DW: The Dalek Invasion of Earth), although in the case of Susan the decision for her to stay was made by her grandfather. A few companions have left the Doctor due to Time Lord actions, such as Sarah Jane Smith (DW: The Hand of Fear) and Jamie McCrimmon (DW: The War Games). Only one companion has lost the privilege of travelling in the TARDIS: Adam Mitchell was evicted (DW: The Long Game) for bad behaviour. On a few rare occasions, companions have been killed while travelling with the Doctor, the first known fatality being Katarina (DW: The Daleks' Master Plan). Others who have died have included Sara Kingdom (also DW: The Daleks' Master Plan), Adric (DW: Earthshock) and Astrid Peth (DW: Voyage of the Damned). At least two non-organic companions - Kamelion (DW: Planet of Fire) and K-9 Mark III (DW: School Reunion) have been destroyed. Several other companions have been killed but resurrected, including Jack Harkness (DW: The Parting of the Ways) and Grace Holloway (DW: Doctor Who (1996)). As noted above, one companion, Martha Jones, chose to leave because of the Doctor's unwillingness or inability to reciprocate romantic feelings (DW: Last of the Time Lords). In one unique circumstance, Donna Noble, while she did not die, was forced to forget her experiences with the Doctor in order to save her life (DW: Journey's End).

The departure circumstances of at least two companions, Ace and Destrii, have yet to be definitively chronicled.

Ace last appeared on TV in DW: Survival, and eventually left the Doctor in the novel NA: Set Piece, though she reunited with the Doctor a few times after that (most recently in NA: Lungbarrow); as the novels fall into a "grey area" of canon, it's unknown whether this is the true chronicle of her fate (see also DWM: Ground Zero, a comic strip, the novelisation of The Curse of Fenric, and the webcast Death Comes to Time, each of which chronicles completely different fates for Ace). Destrii, a comic book companion, last appeared in DWM: The Flood but was dropped from the strip thereafter with no resolution when the comic strip jumped ahead to feature the adventures of the Ninth Doctor and Rose.

Life afterwards

After departing from a companion, the Doctor is rarely known to reunite with them, though there have been some notable exceptions, such as Sarah Jane Smith (DW: The Five Doctors, School Reunion, The Stolen Earth/Journey's End), Martha Jones (DW: The Sontaran Strategem through The Doctor's Daughter and The Stolen Earth/Journey's End), Jamie McCrimmon (The Two Doctors), Jack Harkness (DW: Utopia through Last of the Time Lords and The Stolen Earth/Journey's End, Mickey Smith (Doomsday) and Donna Noble, who received a rare second chance to travel with the Doctor after her initial refusal (DW: The Runaway Bride and Partners in Crime). Others who have reunited with the Doctor have included Susan Foreman (DW: The Five Doctors, Romana (BFA: The Apocalypse Element, et al), Tegan Jovanka (BFA: The Gathering) and Harry Sullivan (DW: The Android Invasion). The Brigadier, his disputed status as companion notwithstanding, has reunited with the Doctor on numerous occasions, having met at one time or another virtually all of his incarnations to date.

Physical alteration

Travelling through time and space is known to alter the biochemistry of humanoid companions (EDA: Alien Bodies, Unnatural History and Interference), although the Doctor has also been known to provide his companions with a special drug to assist in resisting alien infection, etc. (NA: Deceit). While a prisoner of The Pharm, Martha Jones learned that due to her travelling in time and space, her lympocites had been altered, boosting her immune system (TW: Reset). This change would appear to be permanent; Mrs. Wormwood detected an old, but still present, energy field surrounding former companion Sarah Jane Smith, which indicated to her that Smith had travelled through the space-time vortex - this occurred decades after Smith's last confirmed TARDIS voyage (in DW: The Five Doctors). (SJA: Invasion of the Bane) It has not yet been established whether multiple TARDIS trips are required for this alteration, or if this occurs on initial exposure.

Companions are also given the ability to understand almost any language - Earth or alien - thanks to a Time Lord "gift" that the Doctor shares with them (DW: The Masque of Mandragora, The Christmas Invasion); although details are not known for certain, it is believed that this gift may be bestowed upon companions permanently, given the continued ability of some departed companions to continue communicating in and understanding foreign and alien tongues (DW: The Myth Makers, Frontios, Mindwarp, Dragonfire), their ability to understand the local language seems to continue onwards.

Celebrity companions

Although not companions in the traditional sense, the Doctor has, from time to time, shared adventures with notable figures in history, in which they function as companions. Examples include H.G. Wells (DW: Timelash), Charles Dickens (DW: The Unquiet Dead), William Shakespeare (DW: The Shakespeare Code), and Agatha Christie (DW: The Unicorn and the Wasp). In the case of Christie, the Eighth Doctor once claimed she actually travelled with him at one point (BFA: Terror Firma), which would make her a full companion. As noted above, the Doctor invited Madame de Pompadour of France to travel with him (though whether he intended for her to become an actual companion or if he only planned a brief journey is unknown) but she died before she could take him up on his offer, although she did briefly travel to the future via a portal between her era and that of the spacecraft SS Madame De Pompadour (DW: The Girl in the Fireplace) The Doctor also claimed to have shared adventures with Mary Shelley (BFA: Storm Warning; BFA: The Company of Friends).

Companions of other Time Lords

Other Time Lords have been known to have companions in their travels. Before his final corruption into the renegade known as the Master, the Time Lord Koschei was accompanied in his hunt for the Doctor by Ailla. Koschei believed Ailla to be a young woman from a 28th century Earth colony, but she was in fact a Time Lady agent sent by the High Council to spy on the increasingly erratic Koschei's actions (MA: The Dark Path). In his battle with the newly regenerated Eighth Doctor, the Master was assisted by Chang Lee, a young man in 1999 San Francisco. Lee had been convinced by the Master that the Doctor was evil. Only too late did he learn the truth as the Master killed the boy, although the Doctor subsequently restored him to life (DW: Doctor Who: The TV Movie).

The Master took the Time Lord-companion relationship one step further by marrying his human companion Lucy Saxon, with every indication that a passionate relationship initially existed between them (DW: The Sound of Drums), only for it to turn physically abusive later, culminating in Lucy shooting and apparently killing her husband. (DW: Last of the Time Lords)

Noel Coward was a close friend and may even have been a travelling companion of the Time Lady known to the Doctor as Iris Wildthyme (EDA: Mad Dogs and Englishmen).

When she left the Fourth Doctor in E-Space, Romana was accompanied by K-9 Mark II, and K-9 continued to be her companion after she returned to normal space (WC: Shada, et al). After returning to Gallifrey, Romana has shared numerous adventures alongside one of the Doctor's former companions, Leela (BFA: Gallifrey).

Jackson Lake, while believing himself to be the Doctor, had Rosita as his companion. (DW: The Next Doctor)

Behind the Scenes

Differing definitions of the nature of a companions

The exact criteria for a character becoming a companion has been a matter of debate in Doctor Who fan circles for many years, with some choosing not to consider "one-off" characters such as Sara Kingdom (who only appeared and died in The Daleks' Master Plan originally, but has appeared in other media subsequently) or Grace Holloway to be companions. Also debated is whether recurring characters who share adventures with the Doctor but don't necessarily travel with him should be considered companions, such as The Brigadier, Mike Yates and, more recently, Jackie Tyler.

Non-platonic relationship

Also often debated is whether or not the Doctor took his relationship with any of his companions beyond friendship. Due to the original series' perceived status as a "children's program", any hint of romance between the Doctor and his companions was discouraged. One often-cited possibility is the relationship between Romana and the Fourth Doctor, especially in the hindsight of knowing the real-life romance between Lalla Ward and Tom Baker that blossomed during their tenure together (resulting in their brief marriage which began during a break in filming The Keeper of Traken). The revelation in School Reunion that Sarah Jane Smith was indeed in love with the Doctor has led to further debates as to whether similar feelings were shared by other "classic series" companions. It was not until the 1996 telefilm that the Doctor was shown in an unambiguously romantic circumstance with a companion (albeit a one-off one), when he kisses Grace Holloway before departing (their first kiss can be attributed to the Doctor's excitement, though Grace subsequently says later in the film that she'd "fallen" for him).

Role of the companion in the story

The role of companions in the narrative vary. Usually, they play the role of stand-in for the audience by giving the Doctor a reason to explain what is happening in the story and what he is doing. In the case of the First Doctor who was more frail and older than his successors, male companions were included for the purpose of action scenes and to add a heroic element. Companions also often get into trouble requiring the Doctor to rescue them and, female companions in particular, have been noted for screaming in fear. A number of actors have expressed frustration at the limited nature of the companion role in the original series and this has been a factor in the decision of many female actors in particular not to extend their periods on the program. In the original series the companions who remained longest with the Doctor were Jamie McCrimmon, Sarah Jane Smith, Jo Grant and Tegan Jovanka.

The degree to which companions are developed varies. Russell T Davies is noted for giving companions more depth and making them into more important features of the program. In the new series, there has been extended exposition on both the impact the Doctor has on the lives of their companions and their emotional development while travelling with him as well as the lasting impact he has on their lives once they leave. A companion's reasons for joining the Doctor have also been given more attention. As well, the Doctor's need for companions, both in order to alleviate his loneliness and to help him keep his bearings and avoid going too far in his conflicts with aliens has also been explored. Under Davies' tenure, ongoing attention has been paid, for the first time, to a companion's family and the effect their travels with the Doctor have on them (this has in fact been the case with all three major companions since the series returned in 2005, with the family members also all taking major roles in some storylines). In previous eras, if a companion's family was seen at all, it would be in the story that introduced the companion.

In the original series, some attempts were made to depart from stereotypical depictions of female companions. Zoe Heriot was a mathematician and a genius whose technical knowledge was, in some instances, greater than the Doctor's. Liz Shaw was UNIT's scientific advisor who was on leave from Cambridge University. Sarah Jane Smith was a career woman whose initial interest in the Doctor stemmed from her profession as a journalist. Leela, her usually skimpy attire nothwithstanding, was depicted as a deadly, athletic fighter. Romana was a fellow Time Lord whose academic record was superior to the Doctor's. Romana II, in particular, was depicted as very much the Doctor's equal and even shared the Fourth Doctor's sense of humour and whimsical nature, in contrast to the more austere Romana I. Finally, Nyssa was gifted in bioelectronics and had other advanced scientific knowledge and was one of the few companions capable of operating the TARDIS.

Stories in which the Doctor does not have a companion

Prior to the 2005 series revival, the only story in which the Doctor did not have a companion from beginning to end (as opposed to gaining a companion during the adventure, or working with a "one-off" companion) was The Deadly Assassin. The 1996 tv movie and the 2006 and 2007 Christmas specials, The Runaway Bride and Voyage of the Damned, featured the Doctor without an ongoing companion, although he worked closely with "one-off" companions (and invited all three to join him in his travels). Beginning with the 2008 Christmas special, The Next Doctor, the series is continuing with a series of episodes in which the Doctor works with "one-off" companions rather than an ongoing partner, though this will not continue into series 5, since the Eleventh Doctor will be traveling with at least one regular companion again.

In the BBC Tenth Doctor Adventures book series, beginning with the 2008 release, The Eyeless, the Doctor begins a series of adventures in which he similarly not have companions, though it remains to be seen if the books feature one-off companions.