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.
Did You Know?
broke his collar bone while taping part 2 of the serial. it lead to stuntman Terry Walsh
having to double Baker in a number of scenes. See more
When The Doctor leaps onto Styre from behind, the machete goes flying out of Styre's hands, obviously to land fairly far away, but in the next shot it's right beside Styre's hand as he gets up. See more