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.
Maria Jackson is a fictional character played by Yasmin Paige in the British children's science fiction television programme The Sarah Jane Adventures, a spin-off from the long-running series Doctor Who. She is a 13-year-old girl who discovers that her new neighbour, Sarah Jane Smith, is aware of the existence of extraterrestrial life and is a former space and time traveller. Maria first appears in the 2007 New Year's special and series première, "Invasion of the Bane". Due to the actress's scholastic commitments, the character was written out as a regular in the series 2 opener The Last Sontaran, but continued to be referred to in dialogue and seen in archival footage.
Luke Smith is a fictional regular character played by Tommy Knight in the British children's science fiction television series The Sarah Jane Adventures, a spin-off of the long-running series Doctor Who. Luke is a regular character in The Sarah Jane Adventures both in television and audio adventures. He has also appeared in three episodes of Doctor Who: the two-parter "The Stolen Earth"/"Journey's End" (2008), and the Tenth Doctor's finale episode "The End of Time, Part Two" (2010).
Whatever Happened to Sarah Jane? is the fourth serial of the first series of the British science fiction television series The Sarah Jane Adventures. It first aired on the CBBC channel on 29 October and 5 November 2007.
Warriors of Kudlak is the third serial of the first series of the British science fiction television series The Sarah Jane Adventures. It first aired in two weekly parts on the CBBC channel on 15 and 22 October 2007.
The Lost Boy is the fifth serial of the first series of the British science fiction television series The Sarah Jane Adventures. It first aired on the CBBC channel in two weekly parts on 12 and 19 November 2007. This episode was intentionally named after Dave Pelzer's The Lost Boy.
The Last Sontaran is the first serial of the second series of the British science fiction television series The Sarah Jane Adventures. The first part of the two-part story aired on BBC One on 29 September 2008, with the second part premiering immediately after the first on the CBBC channel. This serial marks the departure of Maria Jackson, played by Yasmin Paige.
The Day of the Clown is the second serial of the second series of the British science fiction television series The Sarah Jane Adventures. It was first broadcast in two weekly parts on the CBBC channel on 6 and 13 October 2008. The Day of the Clown introduces main character Rani Chandra and her parents, Haresh and Gita Chandra, and they would stay for the rest of the series.
Rani Chandra is a fictional character played by Anjli Mohindra in the British children's science fiction television programme The Sarah Jane Adventures, a spin-off from the long-running series Doctor Who. She first appeared in The Day of the Clown.
The Wedding of Sarah Jane Smith is the third serial of the third series the British science fiction television series The Sarah Jane Adventures. The two-part story was first broadcast on BBC One on 29 and 30 October 2009. It guest stars David Tennant as the Tenth Doctor, marking the first appearance of parent programme Doctor Who's main character in a spin-off show. The episode includes the final scenes David Tennant recorded during his first tenure as the Doctor.
Prisoner of the Judoon is the first serial of the third series of The Sarah Jane Adventures. It was first broadcast on 15 and 16 October 2009.
The Mad Woman in the Attic is the second serial of the third series of the British science fiction television series The Sarah Jane Adventures. The two-part story was first broadcast on BBC One on 22 and 23 October 2009, and marks the return of John Leeson as K9.
The Eternity Trap is a two-part story of The Sarah Jane Adventures which was first broadcast on CBBC on 5 and 6 November 2009. It is the fourth serial of the third series. The story involves the scientific investigation of a haunted house.
The Gift is the sixth and final serial of the third series of the British science fiction television series The Sarah Jane Adventures. It first aired in two parts on CBBC on 19 and 20 November 2009.
The Nightmare Man is a two-part story of the fourth series of the British science fiction television series The Sarah Jane Adventures, which was first broadcast on CBBC on 11 and 12 October 2010.
The Empty Planet is a two-part story of the fourth series of the British science fiction television series The Sarah Jane Adventures, which was broadcast on CBBC on 1 and 2 November 2010. It is the fourth story of the fourth series.
The Curse of Clyde Langer is a two-part story of The Sarah Jane Adventures which was broadcast on CBBC on 10 and 11 October 2011. It is the second and penultimate story of the fifth and final series.
The Man Who Never Was is a two-part episode and the story finale of The Sarah Jane Adventures which was broadcast on CBBC on 17 and 18 October 2011. It is the third and final story of the fifth series, and the final appearance of all the main cast, including the final appearance of Elisabeth Sladen as Sarah Jane Smith following the actress' death from cancer earlier that year.
Sky Smith is a fictional character in the British children's science fiction television series The Sarah Jane Adventures, a spin-off of the long-running series Doctor Who, played by Sinead Michael. She appears as a regular in the show's fifth and final series, first appearing in Sky.
