This Week in USA
Castrovalva: Part One (5Z1)
Last updated 06 August 2026
7:30pm-8:00pm EDT (23:30 GMT) < > « »
Retro TV
Featuring: Peter Davison, Janet Fielding, Sarah Sutton, Matthew Waterhouse, Anthony Ainley
The Master sends the Tardis and its passengers, including the newly regenerated Doctor, on a course through time to the violent birth of the universe.
Synopsis Source: TVPassport listings
Broadcast Source: Retro TV