Meet Ada Lovelace and Noor Inayat Khan | Spyfall: Part Two | Doctor Who: Series 12

Find out a little more about the two amazing women from history that the Doctor crosses paths with in SPYFALL! Subscribe to Doctor Who for more exclusive videos: WATCH MORE: Series 12 - Behind the Scenes: Series 12 - First Look: Historical Figures: MORE ABOUT DOCTOR WHO: Welcome to the Doctor Who Channel! Travel in the TARDIS with clips dating back to the Doctor’s first incarnation