The Armageddon Factor (4) S24E24 - The Armageddon Factor (4) 1979
The Doctor is forced into a desperate gambit to prevent a massacre. But it is getting harder to tell friend from foe.
- Released: 1979-02-10
- Runtime: 50 minutes
- Genre:
- Stars: Tom Baker, Mary Tamm, John Leeson
- Director: Michael Hayes