The Doctor Falls Bradley was filmed as part of the filming of the Christmas Special in June 2017. David Bradley appears at the episode's conclusion as the First Doctor. Bradley portrayed William Hartnell, the First Doctor's actor, in the docudrama "An Adventure in Space and Time" and appeared as the villain Solomon in "Dinosaurs on a Spaceship", as well as voicing the character of Shansheeth Blue in "Death of the Doctor" in the "Doctor Who" spin-off series "The Sarah Jane Adventures". The episode was watched by 3.75 million viewers overnight. Compared to other programmes that aired on the same night, "Doctor Who" fared
Doctor Who – The Ultimate Adventure Doctor Who – The Ultimate Adventure Doctor Who – The Ultimate Adventure was a 1989 stage play written by Terrance Dicks, based on the long-running British science fiction television series "Doctor Who". The play was staged at twenty theatres around Britain, commencing 23 March 1989. It initially starred Jon Pertwee (who had played the Third Doctor in the series) as the Doctor. On 29 April Pertwee was ill, so understudy David Banks, who portrayed the Cyber Leader in the series from "Earthshock" onwards, played the Doctor for the matinee and evening performances. Pertwee continued in the role until 3 June