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"Oh, so you're my replacements - a dandy and a clown!"
|Episode Title||Premiere Date|
UNIT HQ comes under attack by an alien force, and the Doctor has no other option but to call on his own people, the Time Lords, for help. Breaking the first Law of Time, the first two Doctors are lifted out of their time-streams and sent to help the third. But in a universe of anti-matter, an all-powerful figure from Time Lord history is waiting, and even three Doctors may not be enough to stop him...
The Doctor: Jon Pertwee
The Doctor: Patrick Troughton
The Doctor: William Hartnell
Jo Grant: Katy Manning
Brigadier Lethbridge-Stewart: Nicholas Courtney
Sergeant Benton: John Levene
Omega: Stephen Thorne
Doctor Tyler: Rex Robinson
President of the Council: Roy Purcell
Mr. Ollis: Laurie Webb
Mrs Ollis: Patricia Prior
Time Lord: Graham Leaman
Producer: Barry Letts
Director: Lennie Mayne
Scriptwriters: Bob Baker and Dave Martin