Doctor Who: The Wheel in Space(1968)

Doctor Who: The Wheel in Space is a classic science fiction serial in which the Second Doctor and his companion Jamie stumble upon an orbiting space station crewed by scientists and technicians. There they encounter Zoe Herriot, a brilliant young librarian specializing in parapsychology. When the Doctor suffers a concussion, Jamie and Zoe must take charge as Cybermen launch an assault on the station, intent on seizing control. The pair face mounting pressure to defend the Wheel and its crew against the relentless mechanical invaders while the Doctor recovers. Suspense builds as the station's systems are compromised and the threat of assimilation looms. This adventure introduces Zoe as a new regular companion and showcases the Cybermen as formidable antagonists in one of the Second Doctor's most memorable encounters.