In the year 4000, the Daleks conspire to conquer the Solar System. Their scheme involves treachery at the highest levels and a weapon capable of destroying the very fabric of time. Only the Doctor and his friends can prevent catastrophe — and there is no guarantee they will escape with their lives...
William Hartnell , Peter Purves , Adrienne Hill , Jean Marsh , Kevin Stoney , Nicholas Courtney , Peter Butterworth , Brian Cant , Roy Evans , Bryan Mosley
BBC
