Doctor Who: Colony in Space (1971)

When the Master steals the Time Lords' secret file on the Doomsday Weapon, they grant the Doctor a temporary reprieve from his exile on Earth to deal with the crisis. He and Jo arrive on the planet Uxarieus and become enmeshed in a struggle between an agrarian colony and a powerful mining corporation.

• Release Date: 1971-05-15
• Runtime: 2h 30min
• Director: Michael E. Briant