This Week in USA
The Ribos Operation: Part One (5A1)
Last updated 29 March 2026
8:00pm-8:30pm EST (01:00 GMT) < > « »
Retro TV
Featuring: Tom Baker, Mary Tamm, Iain Cuthbertson, Cyril Luckham
The Doctor and Romana set out to collect the six segments of the Key to Time.
Synopsis Source: TVPassport
Broadcast Source: Retro TV