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
Wire visible at top right corner as Harry opens the ship's doors. See more