
The newly-regenerated Doctor helps UNIT battle a sentient robot being manipulated by a corrupt scientific organization.

Tom Baker
The Doctor

Elisabeth Sladen
Sarah Jane Smith

Ian Marter
Harry Sullivan

Nicholas Courtney
Brigadier Lethbridge-Stewart



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January 18, 1975
1h 38m
6.8
Christopher Barry
Terrance Dicks


BBC
GB
John Levene
RSM Benton

Patricia Maynard
Miss Winters

Michael Kilgarriff
The Robot

Edward Burnham
Professor Kettlewell

Alec Linstead
Jellicoe

Timothy Craven
Short
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13