Dr Who: The Time Warrior

A terrifying combination of past and future threatens the entire human race and plunges the Doctor and Sarah into a chilling race against time... Top scientists are vanishing and the Doctor, hot on the trail, finds himself in the middle ages in not-so-merrie England. Linx, a warlike Sontaran fleet commander, has crash-landed near a medieval castle and is providing the feuding Irongron with advanced weapons that could totally change the course of human evolution. He is also using the kidnapped scientists to repair his stricken ship. His sole ambition is to return to his squadron. Nothing will stop him. As Irongron prepares to do battle the Doctor makes his move. Can he save the doomed scientists, outwit Irongron and stop Linx completing his catastrophic plan? The future of mankind is in his hands... © 1974 BBC