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
Doctor Who (series 1) considered for the role. Piper was announced as portraying Rose Tyler on 24 May, a character which fulfilled the role of permanent companion during the series, and was welcomed by fans of the show. Actress Georgia Moffett, daughter of Fifth Doctor actor Peter Davison and who would later appear as the title role in the fourth series episode "The Doctor's Daughter", also auditioned for the role. The original conception of Tyler was slightly different. Paul Abbott was scheduled to write an episode for the series which would have revealed that Rose's entire life had been manipulated by the Doctor in