The Edge of Destruction
Doctor Who: Season 1, Episode 12
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An explosion blacks out the TARDIS and leaves it suspended in space. The Doctor, Ian, Barbara, and Susan, are left confused and frightened by a series of mysterious events that follow.
Show: Doctor Who
Air date: February 8, 1964
Writer: David Whitaker
Directed by: Richard Martin (episode 1); Frank Cox (episode 2)
First broadcast: 8 February 1964