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.
William Hartnell , Peter Purves , Jackie Lane , Frederick Jaeger , Ewen Solon , Patrick Godfrey
BBC
