Murrain

When a mystery illness infects the pigs of a village farmer and a local boy is also taken ill, the villagers try to convince a veterinarian that it is caused by a curse from a woman they believe to be a witch.

Within the Shadow of the Tree: Dark Dreams

A little character named The Small One must try and set a spell right that was cast by his adopted father, a powerful wizard, who was once the protector of the land Marimdorph before he died.

Doctor Who: The Caves of Androzani

Arriving on the barren world of Androzani Minor, the Doctor and Peri find themselves embroiled in a long running, literal underground war. At the heart of the conflict is a substance called Spectrox - both valuable and deadly! The Doctor & Peri wind up being poisoned by the material, which is killing them slowly and painfully unless they can find a cure. As the conflict heats up and the situation gets more desperate, the Doctor realises time is running out - both for Peri and himself...