The Doctor and Romana arrive in the lair of the Shadow, servant of the Black Guardian who also seeks the Key to Time.
- Drama
- Year 1979
- 24 min
In the first of a six-story quest, the Doctor is ordered to find the six segments of the Key to Time before the cosmos is plunged into chaos. But it begins badly for the Doctor, due to a megalomaniac, a con man and an icily beautiful, clever new companion.
- Year: 1978
