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?
This episode takes place on Earth in 16087. See more
As the Doctor, Harry and Sarah are about to leave via the transmat beam, Sarah's yellow rain suit trousers have disappeared and she is now wearing plaid culottes. See more