As most of us know, David Tennant is due to leave Doctor Who at the end of the current series this year and producers thought his final eposide on the show should be spectacular!
Its been arranged for many of the the old cast members to return such as Billie Piper, Freema Agyeman, Catherine Tate. Even John Simm will appear in last show reprising his role as the Master - Doctor Who’s nemisis.
Although expected, this episode will also see The Doctor regenerate into the eleventh Doctor Who - Matt Smith.
An insider said:
“This will be the most exciting episode Doctor Who have ever done. We really wanted to get all the companions back on board as a fitting send-off to David and of all the enemies for him to face in his final episode, it makes sense for The Master to be the main one”
“Getting Billie to agree is a real coup, but she loved working on the show so much it didn’t take much convincing.”