Sarah Jane Smith is a fictional character played by Elisabeth Sladen in the long-running BBC Television science fiction series Doctor Who and two of its spin-offs. Sarah Jane is a dogged investigative journalist who first encounters alien time traveller the Doctor while trying to break a story on a top secret research facility, and subsequently becomes his travelling companion on a series of adventures spanning the breadth of space and time. After travelling with The Doctor in four seasons of the show they suddenly part ways, and after this she continues to investigate strange goings-on back on Earth. Over time, Sarah Jane establishes herself as a committed defender of Earth from alien invasions and other threats, occasionally reuniting with The Doctor in the course of her own adventures, all the while continuing to work as a freelance investigative journalist.
Rose Tyler is a fictional character in the British science fiction television series Doctor Who. She was created by series producer Russell T Davies and portrayed by Billie Piper. With the revival of Doctor Who in 2005, Rose was introduced as a new travelling companion of the series protagonist, the Doctor, in his ninth and tenth incarnations. The companion character was key in the first series to introduce new viewers to the mythos of Doctor Who, which had not aired regularly since 1989. Rose became the viewers' eyes into the new world of the series, from the companion's perspective. Piper received top billing alongside Christopher Eccleston and David Tennant for the duration of her time as a regular cast member. The character was a series regular for all of Series 1 (2005) and 2 (2006). Piper later reprised the role in a supporting capacity in Series 4 (2008) and the New Year's special "The End of Time" (2010). Piper further played a sentient weapon called the Moment, which utilises Rose's image, in the 50th anniversary special "The Day of the Doctor" (2013).
"Aliens of London" is the fourth episode of the first series of the British science fiction television show Doctor Who after its revival in 2005. First broadcast on 16 April 2005 on BBC One, it was written by Russell T Davies and directed by Keith Boak. It is the first in a two-part story, concluding with "World War Three".
The Tenth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is played by David Tennant in three series and nine specials. The character has also appeared in other Doctor Who spin-offs. In 2023, Tennant returned to the role, this time as the fourteenth incarnation of the Doctor.
Jackie Tyler is a fictional character played by Camille Coduri in the British science fiction television series Doctor Who. The character, a resident of contemporary London, is introduced in the first episode of the 2005 revival as the mother of Rose Tyler, a travelling companion of the alien time traveller the Doctor. Jackie is a recurring character during Series 1 and 2 and later makes guest appearances in Series 4 and the 2010 New Year’s special, The End of Time. The character has also appeared in expanded universe material such as the Doctor Who New Series Adventures novels and the Doctor Who Magazine comic strip.
Adam Mitchell is a fictional character in the British science fiction television series Doctor Who, played by Bruno Langley. Adam is introduced in the first series of the programme's revival as the second television companion of the Ninth Doctor. However, unlike the Ninth Doctor's primary companion, Rose Tyler, who provided an effective human contrast to the Doctor's centuries-old alien, Adam was created to provide an example of an inept time traveller.
"Boom Town" is the eleventh episode of the first series of the British science fiction television programme Doctor Who. The episode was first broadcast on BBC One on 4 June 2005. It was written by executive producer Russell T Davies and directed by Joe Ahearne.
Peter Alan Tyler is a fictional character in the British science fiction television series Doctor Who, played by Shaun Dingwall. He is the father of the Doctor's companion Rose Tyler and first appears in the episode "Father's Day". Writer Paul Cornell incorporated characteristics of his own father whilst writing Pete. This episode reveals that Pete died during Rose's childhood; though she attempts to change her past both she and Pete eventually realise that for the good of humanity he has to die. Rose later takes inspiration from her father in a time of need.
"Army of Ghosts" is the twelfth and penultimate episode in the second series of the British science fiction television programme Doctor Who which was first broadcast on BBC One on 1 July 2006. It is the first episode of a two-part story; the concluding episode, "Doomsday", was first broadcast on 8 July.
"The Girl in the Fireplace" is the fourth episode of the second series of the British science fiction television series Doctor Who. It was first broadcast on BBC One on 6 May 2006. Written by Steven Moffat and directed by Euros Lyn, the episode is inspired by Audrey Niffenegger's novel The Time Traveler's Wife.
"Doomsday" is the thirteenth and final episode in the second series of the revival of the British science fiction television programme Doctor Who. It was first broadcast on 8 July 2006 and is the conclusion of a two-part story; the first part, "Army of Ghosts", was broadcast on 1 July 2006. The two-part story features the Daleks, presumed extinct after the events of the 2005 series' finale, and the Cybermen, who appeared in a parallel universe in the 2006 episodes "Rise of the Cybermen" and "The Age of Steel". Both species unexpectedly arrive on Earth at the conclusion of "Army of Ghosts".
Harriet Jones is a fictional character played by Penelope Wilton in the long-running British science fiction television series Doctor Who. Having worked previously with lead writer and executive producer Russell T Davies, Wilton was keen to involve herself with his 2005 revival of Doctor Who after he sought to cast her. Jones is introduced in the two-part story "Aliens of London" and "World War Three" as a Member of Parliament who aids the Ninth Doctor against an alien invasion of London. The episode establishes a running joke associated with the character which would see her frequently introduce herself by holding up her ID and stating her name and rank; in subsequent episodes this was usually met with the response "Yes, I/we know who you are," even occurring with the Daleks and the Sycorax.
"Rise of the Cybermen" is the fifth episode of the second series of the British science fiction television programme Doctor Who, which was first broadcast on BBC One on 13 May 2006. The episode introduces a terrestrial reinvention of the Cybermen, as well as a parallel universe which would serve as a recurring plot element in the series. It is the first part of a two-part story, the concluding part being "The Age of Steel", broadcast on 20 May.
"The Age of Steel" is the sixth episode of the second series of the British science fiction television programme Doctor Who. It was first broadcast on BBC One on 20 May 2006 and is the second part of a two-part story. The first part, "Rise of the Cybermen", was broadcast on 13 May.
"Love & Monsters" is the tenth episode of the second series of the British science fiction television series Doctor Who, which was first broadcast on BBC One on 17 June 2006. It was written by executive producer and lead writer Russell T Davies and directed by Dan Zeff.
Martha Jones is a fictional character played by Freema Agyeman in the long-running British science fiction television series Doctor Who and its spin-off series, Torchwood. The show's first female black companion, she is a companion of the Tenth Doctor in Doctor Who, after Rose Tyler but before Donna Noble. According to the character's creator Russell T Davies in his non-fiction book Doctor Who: The Writer's Tale, Martha was developed from the beginning with the intention of appearing for the whole of the 2007 series, and to later make guest appearances in subsequent series and crossover appearances in the show's two spin-offs; Martha subsequently made guest appearances in Torchwood series two and in Doctor Who series four in 2008 and special episode "The End of Time" in 2010. Martha was also intended to make guest appearances in the 2009 series of Torchwood and The Sarah Jane Adventures, but could not due to the actress's other work commitments.
"Journey's End" is the thirteenth and final episode of the fourth series of the British science fiction television series Doctor Who, which was first broadcast on BBC One on 5 July 2008. It is the second episode of a two-part crossover story featuring the characters of spin-off shows Torchwood and The Sarah Jane Adventures, preceded by "The Stolen Earth", which aired on 28 June.
"The Stolen Earth" is the twelfth episode of the fourth series and the 750th overall episode of the British science fiction television series Doctor Who. It was first broadcast on BBC One on 28 June 2008. The episode was written by show runner and head writer Russell T Davies and is the first of a two-part crossover story with spin-offs Torchwood and The Sarah Jane Adventures; the concluding episode is "Journey's End", the finale of the fourth series, broadcast on 5 July.
Prom 13: Doctor Who Prom was a concert showcasing incidental music from the British science fiction television series Doctor Who, along with classical music, performed on 27 July 2008 in the Royal Albert Hall in London as part of the BBC's annual Proms series of concerts. The Doctor Who Prom was the thirteenth concert in the 2008 Proms season, and was intended to introduce young children to the Proms.
The Ninth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Christopher Eccleston during the first series of the show's revival in 2005.
