Doctor Who
The Power of Kroll (4) (16x20)
Air date: Jan 13, 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.
- Premiered: Nov 1963
- Episodes: 706
- Followers: 1542
- Ended
- BBC One
- Saturday at 17