Doctor Who: The Mutants (1972)

7.5 | May 13, 1972 (GB) | Science Fiction, Drama, Adventure | 02:30

time travel

The Time Lords send the Doctor and Jo on a mission to deliver a sealed message pod to an unknown party aboard a Skybase orbiting the planet Solos in the 30th century. They are caught quickly in a power struggle between the cruel Marshal of Solos and the young Solonian Ky over the future of Solos - a future that hinges on the contents of the message.