The Armageddon Factor (6)

Name: The Armageddon Factor (6)
Director: Michael Hayes
Released: 1979-02-24
Duration: 25 min
Rating: 6.7
Cast: John Woodvine, Lalla Ward, Davyd Harries, Valentine Dyall, William Squire

S16 E26 February 24, 1979 0h 25m ★ 6.7

Source:

Overview

The Doctor and the Shadow have their final confrontation to take control of the Key to Time. Completing it may entail an awful sacrifice. And the Black Guardian will do anything to obtain it and plunge the Universe into chaos.