Doctor Who (series 4) Jones from the previous series. John Barrowman, Elisabeth Sladen, Noel Clarke and Camille Coduri also returned to appear in the series finale, as well Billie Piper, who appeared as Rose Tyler in the three final episodes of the series. The series started production on 8 August 2007 and concluded on 29 March 2008. A short Children in Need special titled "Time Crash" was also produced and before "Voyage of the Damned", as well as a mini-episode entitled "Music of the Spheres", which was premiered at the "Doctor Who" Prom after the fourth series finale in July 2008. The fourth series
Turn Left (Doctor Who) what Donna will become. The Doctor hears Donna scream and turns up in the booth. After examining the beetle, the Doctor comments on how it was odd for an alternative universe to form around her, explaining that the beetle worked for The Trickster with the job of changing people's lives in various ways. His remarks cause Donna to recall Rose and her message, which she delivers to the Doctor. Rose had told her two words: "Bad Wolf". A panicked Doctor, realising who Donna must have met, runs out of the room to find the words "Bad Wolf" written everywhere once