This Week in USA
Castrovalva: Part One (5Z1)
Last updated 29 March 2026
12:00am-12:30am EST (05:00 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
Broadcast Source: Retro TV