An Adventure in Space and Time led to him being cast as the First Doctor himself in the 2017 "Doctor Who" episodes "The Doctor Falls" and "Twice Upon a Time" and in a series of audio adventures for Big Finish Productions. In 1966, William Hartnell (David Bradley) is in his dressing room at the BBC. He insults a stagehand who calls him to the set, where the delay caused by his absence is noticed. Hartnell enters in costume, ready to film his last moments as the First Doctor and stands in front of the TARDIS console. Three years earlier, BBC executive Sydney Newman (Brian Cox) is
The Doctor (Doctor Who) Within the fictional narrative, the Doctor is a Time Lord from the planet Gallifrey who travels through time and space in a dimensionally transcendental – "bigger on the inside" – time machine: the TARDIS (Time And Relative Dimension(s) In Space) which takes the exterior form of a 1963 police telephone call box, and retains the appearance throughout the programme. The Time Lords have dedicated themselves to overseeing all of time and space without interference. The Doctor chose to leave home by stealing an obsolete TARDIS model as revealed in the 1969 serial "The War Games" and depicted in the 2013