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,
Dalek (Doctor Who episode) Rose to order its own self-destruction to end its pain. Rose reluctantly agrees, and the Dalek shortly implodes thereafter. As they regroup with van Statten's staff, they learn his assistant has taken over, and will have van Statten's memories wiped of the Vault, while planning on filling the entire bunker with cement to prevent other problems. Rose offers Adam to travel with her and the Doctor since he will have no job after this. Rob Shearman, the writer of the episode, had his first encounter with the revived series of "Doctor Who" in 2003 after he created the Sixth Doctor