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.

• DirectorMichael E. Briant
• Release15 May 1971
• Genre
  Science Fiction / Drama
• Duration2h 30m
• Budget?
• Revenue?
• Rate
  

  6.7
  6 reviews
• Productions

  BBC