The sonic screwdriver is a fictional multifunctional tool in the British science fiction television programme Doctor Who and its spin-offs, used by the Doctor. Like the TARDIS, it has become one of the icons of the programme, and spin-off media such as The Sarah Jane Adventures and Torchwood have replicated its functions in devices such as the sonic lipstick, sonic blaster, sonic probe, and sonic modulator.
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, created by writers Mervyn Haisman and Henry Lincoln and played by Nicholas Courtney. He is one of the founders of UNIT, an international organisation that defends Earth from alien threats, and serves as commander of the British contingent. Presented at first as reluctant to accept the continuing aid of the Doctor, over time the Brigadier became one of the Doctor's greatest friends and his principal ally in defending Earth.
Genesis of the Daleks is the fourth serial of the twelfth season of the British science fiction television series Doctor Who. It was written by Terry Nation and directed by David Maloney, and originally broadcast in six weekly parts from 8 March to 12 April 1975 on BBC1.
The Five Doctors is a special feature-length episode of the British science fiction television series Doctor Who, produced in celebration of the programme's 20th anniversary. It had its world premiere in the United States, on the Chicago PBS station WTTW and various other PBS member stations on 23 November 1983, the anniversary date. It was transmitted in the United Kingdom two days later.
Harry Sullivan is a fictional character from the British science-fiction television series Doctor Who and is a companion of the Fourth Doctor. Played by Ian Marter, the character appears as a regular during the programme's twelfth season in 1974–1975.
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.
The Sontaran Experiment is the third serial of the 12th season of the British science fiction television series Doctor Who, which was originally broadcast on BBC1 on 22 February and 1 March 1975.
Planet of the Spiders is the fifth and final serial of the 11th season of the British science fiction television series Doctor Who, which was first broadcast in six weekly parts on BBC1 from 4 May to 8 June 1974. It was Jon Pertwee's last serial as the Third Doctor, the last regular appearance of Mike Yates, and marks the first, uncredited appearance of Tom Baker as the Fourth Doctor. This serial introduces the term "regenerate" to explain the Doctor's transformation into another appearance.
The Android Invasion is the fourth serial of the thirteenth season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts on BBC1 from 22 November to 13 December 1975.
Terror of the Zygons is the first serial of the 13th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts on BBC1 from 30 August to 20 September 1975. It was the last regular appearance by Ian Marter as companion Harry Sullivan and Nicholas Courtney as Brigadier Lethbridge-Stewart.
Revenge of the Cybermen is the fifth and final serial of the 12th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts on BBC1 from 19 April to 10 May 1975. It was the first to feature the Cybermen since The Invasion (1968) and the last until Earthshock (1982).
The Slitheen are a fictional family of massive, bipedal extraterrestrials from the British science fiction television series Doctor Who and are adversaries of the Ninth Doctor and later Sarah Jane Smith. The Slitheen are of the egg-laying calcium-based Raxacoricofallapatorian race native to Raxacoricofallapatorius, though many use "Slitheen" in referring to the race in general. Instinctive hunters trained to kill at a young age, Slitheen are a ruthless criminal sect whose main motivation is profit. They are also convicted on their home world, not willing to return to their planet due to a death sentence.
The Ghosts of N-Space is a radio drama based on the long-running British science fiction television series Doctor Who. It was recorded in 1994 and finally broadcast in six parts on BBC Radio 2 from 20 January to 24 February 1996. This was the second Third Doctor radio play, following The Paradise of Death in 1993. Plans for subsequent serials were abandoned after the death of Jon Pertwee in May 1996.
The Sarah Jane Adventures is a British science fiction television programme that was produced by BBC Cymru Wales for CBBC, created by Russell T Davies, and starring Elisabeth Sladen. The programme is a spin-off of the long-running BBC science fiction programme Doctor Who and is aimed at a younger audience than Doctor Who. It focuses on the adventures of Sarah Jane Smith, an investigative journalist who, as a young woman, had numerous adventures across time and space with the Doctor. Following Sladen's sudden death from cancer, the BBC confirmed that the show would not return for a sixth series.
In the long-running BBC television science fiction programme Doctor Who and related works, the term "companion" refers to a character who travels or shares adventures with the Doctor. In most Doctor Who stories, the primary companion acts as an audience surrogate. They provide the lens through which the viewer is introduced to the series. The companion character often furthers the story by asking questions and getting into trouble, or 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.
The Mad Woman in the Attic is a two-part story of The Sarah Jane Adventures. It was first broadcast on BBC One on 22 and 23 October 2009. It is the second serial of the third series, and marks the return of K9.
The Gift is a two-part story of The Sarah Jane Adventures which broadcast on CBBC on 19 and 20 November 2009. It is the sixth and last serial of the third series. This story features "the Blathereen", a family of Raxacoricofallapatorians distinct from the previously seen Slitheen.
Death of the Doctor is a two-part story of The Sarah Jane Adventures which was broadcast on CBBC on 25 and 26 October 2010. It is the third story of the fourth series. A cross-over story with Doctor Who, story involves UNIT informing a skeptical Sarah Jane Smith that The Doctor has allegedly been found dead. The episode features actress Katy Manning reprising her role as Jo Grant for the first time since The Green Death and a guest appearance by Matt Smith as the Eleventh Doctor. Exposition at the end of the episode provides updates on the lives of numerous companions from the "classic era" who had gone unaddressed in the revived era. This story was the last to feature Sarah Jane and the Doctor together on-screen.
