Doctor Who: The Power of Kroll (1979) is a Action, Adventure, Drama, Science Fiction, TV Movie film that follows the Doctor and Romana arrive on the marsh moon of Delta Magna in search of the next segment of the Key to Time. They are caught in the conflict between the native Swampies and the crew of a chemical refinery. The presence of a gun runner complicates matters; to make things worse, the Swampies intend to awaken Kroll, the giant god that lives beneath the swamps. Doctor Who: The Power of Kroll is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 4.7 out of 10 from 3 votes. Fans of action movies may also want to explore similar titles below.