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 "Terrordactyls" was a shooting game. The final level, "Box" was a variant on Battleships featuring hidden aliens as the targets. The player was given 15 lives, called regenerations, and 60 minutes to complete the game. This was the first officially licensed "Doctor Who" game; however, several unofficial "Doctor Who" games had been released previously such as Time Lords by Red Shift. 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