The Doctor and Jo find themselves trapped inside an alien peepshow machine which showman Vorg and his assistant Shirna have brought to amuse the populace of the planet Inter Minor. Can they escape Vorg and the ferocious Drashigs?
Jon Pertwee
Katy Manning
Leslie Dwyer
Cheryl Hall
Tenniel Evans
Ian Marter
Jenny McCracken
Peter Halliday
Michael Wisher
Terence Lodge