The Armageddon Factor: Part Four 1979
7.0 218 The Doctor sends Shapp and Merak back to Atrios to try and halt the Marshal's attack, while he and Romana attempt to disable Mentalis.
7.0 218 The Doctor sends Shapp and Merak back to Atrios to try and halt the Marshal's attack, while he and Romana attempt to disable Mentalis.
