Doctor Who/The Android Invasion

The Android Invasion
Season 13, Serial 4
Airdate	November 22, 1975
Production Number	4J
Written by	Terry Nation
Directed by	Barry Letts
← 13x03 Pyramids of Mars	13x05 → The Brain of Morbius
Doctor Who — Season Thirteen

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The Android Invasion is the fourth serial of the thirteenth season of Doctor Who, and the eighty-third serial overall.

Part One: Tom Baker (Doctor Who), Elisabeth Sladen (Sarah Jane Smith), Milton Johns (Guy Crayford), Peter Welch (Morgan), Max Faulkner (Corporal Adams), Martin Friend (Styggron), Dave Carter (Grierson) (credit only)

Part Two: Tom Baker (Doctor Who), Elisabeth Sladen (Sarah Jane Smith), Ian Marter (Harry Sullivan), Milton Johns (Guy Crayford), Peter Welch (Morgan), Martin Friend (Styggron), Roy Skelton (Chedaki), John Levene (RSM Benton), Max Faulkner (Corporal Adams)

Part Three: Tom Baker (Doctor Who), Elisabeth Sladen (Sarah Jane Smith), Ian Marter (Harry Sullivan), Milton Johns (Guy Crayford), Peter Welch (Morgan), John Levene (RSM Benton), Max Faulkner (Corporal Adams), Martin Friend (Styggron), Roy Skelton (Chedaki), Stuart Fell (Kraal)

Part Four: Tom Baker (Doctor Who), Elisabeth Sladen (Sarah Jane Smith), Ian Marter (Harry Sullivan), Patrick Newell (Colonel Faraday), Milton Johns (Guy Crayford), Martin Friend (Styggron), John Levene (RSM Benton), Max Faulkner (Corporal Adams), Dave Carter (Grierson) Hugh Lund (Matthews), Heather Emmanuel (Tessa)

Trivia

The Show

• This was the last regular UNIT story until Battlefield.

• Harry Sullivan's return makes for the first story to feature the return of a former companion in the series. Ironically, this would also be Harry's last appearance in the series.

Behind the Scenes

• Because they hated the script, Baker and Sladen wound up rewriting and adlibbing most of their material, including the entire end scene.

• Writer Terry Nation felt that the story was a nice idea with an intriguing mystery, but didn't feel the end product quite fulfilled his vision.

• The Brigadier was originally meant to be featured in the story, but Nicholas Courtney was already committed to a theatre tour, believing his time on the show was over. The character Colonel Faraday was written as a replacement. Additionally, Courtney turned down the part because he had been asked for another story was annoyed that his part was cancelled at the last minute.