On the planet Dido, the Doctor, Ian and Barbara meet two survivors from a crashed spaceship who are terrorised by the monster Koquillion.
William Hartnell
Jacqueline Hill
William Russell
Maureen O'Brien
Ray Barrett
Score: 6.3
Score: 7.3
Score: 6.1
Score: 6.7
Score: 6.1
Score: 10.0
Score: 6.0
Score: 7.1
