Classic Who S6 • Serial 4 · (4 episodes)
The Krotons
Other variations of this story: The Krotons (BBC Audio Soundtrack)
The TARDIS arrives on the planet of the Gonds, who are ruled and taught in a form of self-perpetuating slavery by the alien Krotons — crystalline beings whose ship, the Dynatrope, crash-landed there thousands of years earlier after being damaged in a space battle.
4 Episodes:
When the TARDIS arrives on the planet of the Gonds, the Doctor, Jamie and Zoe discover a world ruled and enslaved by the Krotons. The brightest Gonds are always chosen to serve as companions of the Krotons and are never seen again...
Zoe is selected as a companion for the Krotons and the Doctor insists on joining her.
Jamie is held prisoner by the Krotons who intend to recapture the Doctor and Zoe for their mental energy.
Selris succeeds in drawing the Krotons out of the Dynatrope but Eelek agrees to hand the Doctor and Zoe over to them in return for their leaving the planet.