The travellers arrive in a strange domain presided over by the Celestial Toymaker — an enigmatic, immortal entity who forces them to play a series of games, failure at which will render them his playthings for all eternity.

• BBC
• William Hartnell
• Peter Purves
• Jackie Lane
• Michael Gough
• Peter Stephens
• Campbell Singer
• Carmen Silvera
• Reg Lever