as they confessed to the Doctor in season 12, episode 2, "Spyfall, Part Two." Doctor Who season 9's Hybrid was another major story arc that changed the Doctor's perception of the world.
Doctor Who used to have 12 or 13 episodes per series, which is unrealistic in this day and age, granted. Chris Chibnall cut ...
Moffat used Doctor Who as a prism to talk about storytelling in general, especially when it came to reboots since the show is rebooted every time the Doctor regenerates into a new actor.