On the planet Dido, the monstrous Koquillion terrorizes Bennett and Vicki, the only survivors of a crashed spaceship. When the TARDIS lands, the Doctor, Ian, and Barbara team up with Vicki to discover what Koquillion is hiding. (Originally broadcast in two parts.)
Did You Know?
The serial used the same production team as the following story, The Romans, and the two were combined to form a single six-episode production block. See more
The actor playing Koquillion wasn't wearing the character's feet when it stepped on to Vicki's ship. See more
[Pointing out the TARDIS has materialised
Doctor, the trembling's stopped.
Oh, my dear, I'm so glad you're feeling better.
As not to give away that Koquillion is Bennett in disguise. Koquillion is credited as Sydney Wilson after Sydney Newman
and Donald Wilson
, two BBC department heads. See more
Featured in Mounting the Rescue