The Master vs the Doctor in 1834, Spyfall: Part Two, Doctor Who

Moments after the Doctor is thrown back in time, she is quickly followed by her oldest and best enemy. Subscribe to Doctor Who for more exclusive videos: WATCH MORE: Series 12: Series 12 Behind the Scenes: The Master: 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 o