The Star Beast

"The Star Beast" is the first of three hour-long special episodes of the British science fiction television programme Doctor Who, the episode was written by returning head writer and showrunner Russell T Davies, It serves as the reintroductions of David Tennant and Catherine Tate to the series, with Tennant making his first regular appearance as the Fourteenth Doctor, having previously played the Tenth Doctor during Davies' original tenure as showrunner, last seen in the 50th anniversary special "The Day of the Doctor" (2013), while Tate reprises her role as Donna Noble. The episode also sees the return of Jacqueline King as Sylvia Noble and Karl Collins as Shaun Temple with newcomer Yasmin Finney as Rose Noble, and guest starring Miriam Margolyes as the voice of The Meep