The Dominators is the first serial of the sixth season of the British science fiction television series Doctor Who, which originally aired in five weekly parts from 10 August to 7 September 1968. In the serial, the Second Doctor (Patrick Troughton) and his travelling companions Jamie McCrimmon (Frazer Hines) and Zoe Heriot (Wendy Padbury) work with the Dulcians of the planet Dulkis to prevent the alien Dominators from blowing up Dulkis and using its irradiated remains as spaceship fuel.