The Doctor (Doctor Who) Time Lords a fixed number of twelve regenerations, meaning that every Time Lord had a total of thirteen incarnations including the original. The plot of "The Time of the Doctor" involves the Doctor receiving a new cycle of regenerations from the Time Lords before his expected demise, triggering the regeneration into the Twelfth Doctor, played by Peter Capaldi. The origins of the programme were explored in the docudrama "An Adventure in Space and Time" as part of the 50th anniversary celebrations of "Doctor Who", which starred David Bradley as William Hartnell. Although Time Lords resemble humans, their physiology differs in
Doctor Who: The First Adventure Doctor Who: The First Adventure Doctor Who: The First Adventure is a computer game based on the long-running British science fiction television series "Doctor Who" released for the BBC Micro in 1983. It was written by Jeremy Ruston. It featured the Fifth Doctor, despite only seeing one pixel as "The Doctor", as the player ventured through four mini-games which went by levels of completion which were Doctor Who themed versions of Pac-Man, Frogger, Space Invaders and Battleship. The first level called "Labyrinth of Death" was based on Pac-Man. Level 2, "The Prison" was a Frogger type game. The third level,