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
Space and Time (Doctor Who) the camera, such as when the Doctor, Amy, and Rory watched the future Amy and Rory enter the TARDIS. "Space" and "Time" were broadcast during the Comic Relief Red Nose Day telethon on 18 March 2011 on BBC One. The telethon was watched by 10.26 million viewers. The BBC posted the episode in two parts on their official YouTube channel. The mini episodes were included as bonus features in the "Complete Sixth Series" DVD and Blu-ray box set, released on 21 November 2011 (Region 2) and 22 November 2011 (Region 1). Lucy Mangan of "The Guardian" responded positively, noting it