Plot: The Doctor works to free his planet of the Vardan menace. How can he defeat an enemy who can read his very thoughts? And does their invasion conceal a greater menace?
Doctor Who - Season 15 - The Invasion of Time (4) (Episode 24)
Episode Aired On:
Saturday, February 25 1978
46 years ago
Saturday, February 25 1978
46 years ago
Tom Baker
Louise Jameson
John Leeson
Chris Tranchell
Max Faulkner
Derek Deadman