A Space Station Mystery | The Ark in Space | Doctor Who

As Sarah Jane recovers from oxygen deficiency, Harry and the Doctor investigate the mystery of bitten cables on the space station... Subscribe to Doctor Who for more exclusive videos: WATCH MORE: The Fourth Doctor: Sarah Jane Smith: Season 12: MORE ABOUT DOCTOR WHO: Welcome to the Doctor Who Channel! Travel in the TARDIS with clips dating back to the Doctor’s first incarnation in 1963, all the way through dozens of regenerations. Including behind-the-scenes footage, exclusive videos and our very own show Doctor Who: The Fan Show - this is the place to find all the best official clips. #DoctorWho This is a commercial channel from BBC Studios. Service information and feedback: