The Doctor Falls the episode, the Doctor (Peter Capaldi) must save himself and the remaining human population of a gigantic colony ship from Mondas, while also dealing with two different incarnations of the Master (Michelle Gomez and John Simm) at once. The episode features a cameo from the First Doctor, now portrayed by David Bradley. He had previously played William Hartnell, the original First Doctor actor, in the 2013 "Doctor Who" docudrama "An Adventure in Space and Time". Aboard the colony ship reversing from the event horizon of a black hole, the Doctor finds Bill has been converted into a Cyberman. The Master
Space and Time (Doctor Who) Space and Time (Doctor Who) "Space" and "Time" are two mini-episodes of the British science fiction television series "Doctor Who". They were broadcast on 18 March 2011 as part of BBC One's Red Nose Day telethon for the charity Comic Relief. The two mini-episodes were written by the programme's head writer Steven Moffat and directed by Richard Senior. The episodes form a two-part story, set entirely within the TARDIS, starring Matt Smith as the Doctor, and Karen Gillan and Arthur Darvill as married couple Amy Pond and Rory Williams. Rory, helping the Doctor work on the TARDIS, looks up the