DOCTOR WHO THE COMPLETE COLLECTION 22

PLANET OF THE DEAD The Doctor and a cat burglar are aboard a double-decker bus when it is transported, via a wormhole, to the planet San Helios which has been left barren by a swarm of alien parasites that are poised to invade the Earth. THE WATERS OF MARS Mars, 21 November 2059: the Doctor arrives at Bowie Base One, Mankind's first outpost on another world. But the Doctor knows that this is the day that the base's crew will have an ill-fated encounter with the alien Flood, and he is bound to allow history to take its course.