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 – Battles in Time first three series of the revamped show. The most recent release is the Devastator set which is based on the 2007 Christmas Special and the 2008 series of Doctor Who. The Devastator set was released on 17 September 2008 from issue 53. A special issue with four free packs and a series 4 guide was also released on 17 September 2008 priced £4.99. Additional cards released include an unnumbered card, 'Super Rose', which may be found in every 1,000 packs of each of the five main series, the 'psychic paper' card, which only came with the first issue of the