This Week in USA
The Sontaran Experiment: Part One (4B1)
Last updated 20 June 2026
1:30am-2:00am EDT (05:30 GMT) < > « »
Retro TV
Featuring: Tom Baker, Ian Marter, Elisabeth Sladen, Kevin Lindsay
The Earthlings prepare to return to their deserted planet, but their plans are thwarted by the arrival of a curious Sontaran.
Synopsis Source: TVPassport listings
Broadcast Source: Retro TV