Doctor Who: Blood of the Cybermen
This episode is set at an Arctic research base. The intro shows a panicked researcher fleeing on an snow-mobile having flash-backs of the events which have cause him to flee. His team had made an awful discovery, they've found the remnants of one of the Doctor's most terrifying foes - the Cybermen. The Amy and the Doctor must work together to discover some way of stopping the researcher turning into Cybermen, and stop the Cybermen using the research station as a base to launch an attack upon the Earth! Along the way they'll encounter a new half-breed of Cyberman, along with the re-introduction of Cybermats to the new series.