When two belligerent Dominators and their robotic servant Quarks land on the peaceful planet Dulkis planning to drop a radioactive seed into the planet's core to refuel their spaceship, the Second Doctor, Jamie and Zoe must attempt to inspire the pacifist Dulcians to resist.

• DirectorMorris Barry
• Release7 September 1968
• Genre
  Science Fiction / Drama
• Duration2h 1m
• Budget?
• Revenue?
• Rate
  

  5.2
  5 reviews
• Productions

  BBC