The TARDIS has arrived on a far-distant and seemingly idyllic world. Yet the Doctor, Steven and Dodo learn it hides a terrible secret: the apparently civilised Elders maintain their advanced society by draining and transferring to themselves the life-force of the defenceless Savages.

Cast:William Hartnell, Peter Purves, Jackie Lane, Frederick Jaeger, Ewen Solon, Geoffrey Frederick,

Genre:Science Fiction, Drama, Adventure,

country:United Kingdom,

Production:BBC,