This Week in USA
The Invisible Enemy: Part Three (4T3)
Last updated 24 June 2026
7:30pm-8:00pm EDT (23:30 GMT) < > « »
Retro TV
Featuring: Tom Baker, Louise Jameson, John Leeson, John Leeson, Frederick Jaeger, Michael Sheard
Micro-clones of the Doctor and Leela are sent into the Doctor's virus-infested brain.
Synopsis Source: TVPassport listings
Broadcast Source: Retro TV