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,
The Runaway Bride (Doctor Who) the Earth by gradually and secretly poisoning Donna with an alien particle the Racnoss use as an energy source. The Tenth Doctor, still saddened by his separation from companion Rose Tyler, is shocked when Donna Noble, in a wedding dress, appears within the TARDIS while in flight, a near impossibility. She angrily demands to be returned to her wedding as the Doctor performs several tests on her before materialising the TARDIS on Earth, though across the city from the ceremony. Donna leaves in a huff and takes a cab, but the Doctor observes a robotic Santa Claus is driving the