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
The Sixth Doctor: The Last Adventure stop the Valeyard from taking his place at Mel's side, and soon, much, much more than that... The Sixth Doctor: The Last Adventure The Sixth Doctor: The Last Adventure is a British audio drama based on the long-running British science fiction television series "Doctor Who". Within the narrative of the series, the Doctor, its principal character, is a time-travelling alien known as a Time Lord, whose biological characteristics allow him to regenerate into a new form to circumvent an otherwise deadly experience; the device has been used to allow for a change in lead actor every few years in the