Sarah Jane's Alien Files is a BBC series based on The Sarah Jane Adventures

The Sarah Jane Adventures

The Sarah Jane Adventures is a British science fiction television series, produced by BBC Cymru Wales for CBBC, created by Russell T Davies and starring Elisabeth Sladen...

. It features Sarah Jane Smith

Sarah Jane Smith

Sarah Jane Smith is a fictional character played by Elisabeth Sladen in the long-running British BBC Television science-fiction series Doctor Who and its spin-offs K-9 and Company and The Sarah Jane Adventures....

, Luke Smith, Clyde Langer

Clyde Langer

Clyde Langer is a fictional character played by Daniel Anthony in the British children's science fiction television programme The Sarah Jane Adventures...

 and Rani Chandra

Rani Chandra (The Sarah Jane Adventures)

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...

 entering data on aliens they have encountered during their adventures, into Mr Smith

Mr Smith (The Sarah Jane Adventures)

Mr Smith is a fictional extraterrestrial computer voiced by Alexander Armstrong which appears in the British children's science fiction television series, The Sarah Jane Adventures, with further minor appearances in the final two episodes of the fourth series of Doctor Who...

, Sarah Jane's extraterrestrial computer, to benefit humanity in the event that Sarah Jane is no longer capable of defending the Earth against alien threats.

Each episode is a clip show

Clip show

A clip show is an episode of a television series that consists primarily of excerpts from previous episodes. Most clip shows feature the format of a frame story in which cast members recall past events from past installments of the show, depicted with a clip of the event presented as a flashback. ...

 summarising the events of episodes in which the featured aliens appeared. The only new footage is the framing and narration, shot entirely on the series' standing attic set. Occasionally, brief clips from Doctor Who

Doctor Who

Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a time-travelling humanoid alien known as the Doctor who explores the universe in a sentient time machine called the TARDIS that flies through time and space, whose exterior...

are included for context, such as in episode 6 when the Judoon are compared to the Cheetah People of Survival

Survival (Doctor Who)

-Writing:Writer Rona Munro approached script editor Andrew Cartmel at a BBC scriptwriting workshop and said that she'd "kill to write for Doctor Who." The story Munro developed incorporated themes including the morals of hunting...

in that each humanoid species looks superficially like a non-humanoid terrestrial mammal (rhinoceros and cheetah, respectively). The series format was based upon the short "alien files" clips previously produced for the CBBC's The Sarah Jane Adventures website.

Episode List

Episode	Airdate	Character	Aliens
1	11 October 2010	Sarah Jane Smith Sarah Jane Smith Sarah Jane Smith is a fictional character played by Elisabeth Sladen in the long-running British BBC Television science-fiction series Doctor Who and its spin-offs K-9 and Company and The Sarah Jane Adventures....	The Trickster and Graske
2	18 October 2010	Rani Chandra Rani Chandra (The Sarah Jane Adventures) 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...	Entity, Eve and Ship
3	25 October 2010	Luke Smith	Mrs Wormwood, Bane Mother and Sontarans
4	1 November 2010	Sarah Jane Smith Sarah Jane Smith Sarah Jane Smith is a fictional character played by Elisabeth Sladen in the long-running British BBC Television science-fiction series Doctor Who and its spin-offs K-9 and Company and The Sarah Jane Adventures....	Slitheen Slitheen The Slitheen are a family of massive, bipedal extraterrestrials from the British science fiction television series Doctor Who and they are adversaries of the Doctor. They first appeared in the 2005 series episodes "Aliens of London" and "World War Three", and subsequently recur in later episodes of... , Blathereen and Rakweed
5	8 November 2010	Clyde Langer Clyde Langer Clyde Langer is a fictional character played by Daniel Anthony in the British children's science fiction television programme The Sarah Jane Adventures...	Berserkers and Mona Lisa
6	15 November 2010	Luke Smith	Judoon Judoon The Judoon are a fictional extraterrestrial species of mercenary police from the British science fiction television series Doctor Who and its spin-offs. They first appeared in the episode Smith and Jones in 2007.... , Androvax and Mr Dread