Doctor Who: Colony in Space (15/05/1971)

Production : BBC

Synopsis

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.

Jon Pertwee

Katy Manning

Nicholas Courtney

Roger Delgado