Doctor Who (1963)
S12E10 The Sontaran Experiment (2)
Episode Overview
The Doctor discovers that Styre has been conducting brutal experiments on the crew of the Galsec in preparation for a Sontaran takeover of Earth. Realizing that the only way to put a stop to Styre's sinister ambitions is to confront him directly, the Doctor boldly proposes a duel to settle their conflict.