Doctor Who 1963 - Season 3, Episode 45: The War Machines: Episode 4
Trailer
Completing the challenges and struggles where the last season stops that follows the Doctor, an immortal man, traveling across the universe by his space shop and companions, searching for evils and fight them across all ages. In this new season, the Drahvins calls the Doctor, in order to help them to save the world from being destructed.