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
The War Doctor (audio drama series) The War Doctor (audio drama series) The War Doctor, announced in October 2015, is a Big Finish Productions audio play series based on the TV show "Doctor Who". It sees the return of Sir John Hurt as the War Doctor, a role he previously portrayed in the TV story "The Name of the Doctor" as well as more prominently in the 50th Anniversary special "The Day of the Doctor". The series consists of four box sets, each made up of three hour-long episodes, the first released in December 2015, the remaining three volumes followed across 2016 and into 2017. The