This Week in USA
The Ribos Operation: Part One
Last updated 28 April 2021
8:00pm-8:30pm EDT (00:00 GMT) < > « »
Retro TV
Featuring: Tom Baker, Mary Tamm, Iain Cuthbertson, Cyril Luckham
The White Guardian recruits the Doctor. The Doctor is sent on a quest to collect the six segments of the Key of Time that are scattered throughout the universe.
Synopsis Source: TVPassport listings
Broadcast Source: Retro TV