Doctor Who (2013 specials) Doctor", saw the departure of Smith from the series and the introduction of Peter Capaldi as the Twelfth Doctor. "The Day of the Doctor" features the return of the Zygons for the first time since "Terror of the Zygons" in 1975. "The Time of the Doctor" draws together a number of plot threads that have run through the series since the Eleventh Doctor's first episode in 2010. <onlyinclude></onlyinclude> In "The Day of the Doctor", Smith and Coleman star alongside David Tennant and Billie Piper; Tennant reprised his role as the Tenth Doctor, while Piper, although credited as playing Rose Tyler,
Rose (Doctor Who episode) first appeared in the serial "Spearhead from Space" (1970), then reappeared on-screen in "Terror of the Autons" (1971). "Doctor Who" originally ran from 1963 to 1989, when it was cancelled after its twenty-sixth season. Television producer Russell T Davies had been lobbying the BBC in an attempt to revive the show from the late 1990s, and reached the discussion phase in 2002. It was announced in September 2003 that Doctor Who was returning and would be produced by BBC Wales via a BBC press release. The format of the programme was changed to 45-minute episodes, lightening the pace. Davies was