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,
Doctor Who Prom (2008) were also played. The concert was conducted by Ben Foster and Stephen Bell, and performed by the BBC Philharmonic. It was presented by actress Freema Agyeman, who played companion Martha Jones on "Doctor Who". Other "Doctor Who" actors and performers dressed as "Doctor Who" monsters also made appearances on stage and in the audience. The concert included video montages of scenes from "Doctor Who" and a specially filmed "mini-episode" of "Doctor Who" called "Music of the Spheres", which was presented on a screen above the orchestra and included live interactive elements. The "Doctor Who" Prom was broadcast live on BBC