The Armageddon Factor: Part One 1979
7.1 251 The Doctor and company drop in on the planet Atrios, whose inhabitants are in an interplanetary war with their twin planet Zeos. Although Astra, Princess of Atrios, wishes for peace, the Marshal, her commander of the military, does not share her views. So, while the TARDIS is in orbit around the planet, the Marshal targets the Doctor for destruction.
Runtime: 25
Starts: Tom Baker, Mary Tamm, John Woodvine, Lalla Ward
Director: Michael Hayes