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
An Adventure in Space and Time of Castamere". "An Adventure in Space and Time" was released on DVD on 2 December 2013 in the UK. A 3 disc Blu-ray set was released in the US and Canada 27 May 2014. The set includes the feature on Blu-ray, DVD and An Unearthly Child DVD. The special was re-released on DVD and Blu-ray on 8 September 2014 as part of a "50th Anniversary Collectors Boxset" alongside "The Name of the Doctor", "The Night of the Doctor", "The Day of the Doctor", "The Time of the Doctor" and "The Five(ish) Doctors Reboot". Edmund Butt's score was released by Silva