The Sontaran Experiment (2) S10E10 - The Sontaran Experiment (2) 1975
The Doctor learns that Styre has been experimenting on the Galsec crewmembers to pave the way for a Sontaran invasion of Earth and decides the only way to halt his plans is to challenge him to a duel.
- Released: 1975-03-01
- Runtime: 50 minutes
- Genre:
- Stars: Tom Baker, Elisabeth Sladen, Ian Marter
- Director: Rodney Bennett