Doctor Who - The Keeper of Traken (4)

Seizoen: 18 - Aflevering: 24 / 580 - Eerst uitgezonden: 21 februari 1981 - Episode ID: 75972

The planet Traken. The Traken union is a society living in perfect harmony, watched over by the powerful but benign Keeper. But now the Keeper is dying, and he senses a great evil within his protectorate. Can the Doctor help him discover the secret of the Melkur?