Doctor Who - State of Decay (3)

Seizoen: 18 - Aflevering: 15 / 571 - Eerst uitgezonden: 06 december 1980 - Episode ID: 75963

Still trapped in negative E-Space, the TARDIS lands on an unnamed world to find a society sliding back into feudalism. What is the secret of the Three Who Rule? And what ancient enemy of the Time Lords is stirring again on this world...?