Doctor Who: The Armageddon Factor (1979)

The final segment of the Key to Time is at the heart of a devastating war between neighbouring planets Atrios and Zeos. The Fourth Doctor discovers that a sinister entity is manipulating events and the cost of obtaining the final segment may be more personal than he imagined.

Released: Feb 24, 1979

Runtime: 150 minutes

Genre: Action, Adventure, Drama, Science Fiction, TV Movie

Stars: Tom Baker, Mary Tamm, John Leeson, John Woodvine, Lalla Ward, Davyd Harries

Crew: Michael Hayes (Director), Bob Baker (Writer), Dave Martin (Writer), Graham Williams (Producer), Anthony Read (Script Editor), Douglas Adams (Script Editor)