The Power of Kroll (4) S20E20 - The Power of Kroll (4) 1979
The Doctor and Romana are trapped between the monstrous Kroll and the insane refinery commander. And there is no sign of the fifth segment of the Key to Time.
- Released: 1979-01-13
- Runtime: 50 minutes
- Genre:
- Stars: Tom Baker, Mary Tamm, John Leeson
- Director: Norman Stewart