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