Following the Doctor's regeneration into a new, younger body, the TARDIS lands at an Earth colony on the planet Vulcan in the far future. Mistaken for an official Earth Examiner, the Doctor discovers that a scientist called Lesterson is attempting to reactivate two inanimate, subservient Daleks found in a crashed space rocket. The colonists refuse to heed the Doctor's dire warnings that the Daleks are dangerous.
Acting
Troughton's voice work captures a cunning, mercurial new Doctor.
Director
Charles Norton
Trivia, insights & behind the scenes
The original 1966 tapes were wiped by the BBC; this animation exists because fans recorded the audio on home tape recorders.
This was Patrick Troughton's debut as the Doctor — the first time audiences learned regeneration doesn't just change your face, it changes your whole personality.
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