This Week in USA
Castrovalva: Part Three (5Z3)
Last updated 06 August 2026
1:30am-2:00am EDT (05:30 GMT) < > « »
Retro TV
Featuring: Peter Davison, Janet Fielding, Sarah Sutton, Matthew Waterhouse, Anthony Ainley
The Doctor seeks a solution to Castrovalva's temporal treadmill, which renders escape impossible.
Synopsis Source: TVPassport listings
Broadcast Source: Retro TV