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,
History of Doctor Who the Canadian Broadcasting Corporation leaked a rough cut of the premiere on the internet; the leak attracted much media attention and discussion amongst fans. Advance reviews in the British media were generally positive. "Rose" finally saw transmission on 26 March at 7 pm on BBC One, the first regular episode of "Doctor Who" for over 15 years. To complement the series, BBC Wales also produced "Doctor Who Confidential", a 13-part documentary series with each episode broadcast on BBC Three immediately after the end of the weekly instalment on BBC One. "Rose" received average overnight ratings of 9.9 million viewers, peaking