All four serials from the 26th season of the classic BBC sci-fi adventure drama starring Sylvester McCoy as the legendary Time Lord. In this season, the Doctor and his companion, Ace (Sophie Aldred), battle knights from another dimension, attempt to stop an ancient evil from poisoning the Earth, and encounter the Cheetah People, who are being manipulated by the Master (Anthony Ainley). The episodes are: 'Battlefield', 'Ghost Light', 'The Curse of Fenric' and 'Survival'.