With Tegan and Richard under alien control, and the manor sealed against anyone leaving or entering, it's a question whether or not the Doctor can get to London before the Terileptils release their improved strain of black death upon the world. Written by
Did You Know?
This episode was watched by 10.1 million viewers on its original transmission. See more
During the scuffle with the Doctor it is clear that Tegan's bracelet has no power pack in it. See more
I once knew a French acrobat. He wasn't very good at tumbling but his skill with a piece of bent iron was phenomenal. Luckily he passed his skill onto me, which enabled me to extricate my fee from the strongboxes of more than one disreputable theater manager.