World War Three (Doctor Who) World War Three (Doctor Who) "World War Three" is the fifth episode of the first series of the British science fiction television programme "Doctor Who" which was first broadcast on BBC One on 23 April 2005. It is the second of a two-part story which began with "Aliens of London" on 16 April. In the episode, set in London, the alien time traveller the Ninth Doctor (Christopher Eccleston) and his companion Rose Tyler (Billie Piper) team up with Rose's boyfriend Mickey Smith (Noel Clarke), her mother Jackie (Camille Coduri), and Member of Parliament Harriet Jones (Penelope Wilton) to foil the
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