Doctor Who spin-offs the charity's 2005 appeal. This starred David Tennant as the Tenth Doctor and Billie Piper as Rose Tyler, and filled in a gap between the episodes "The Parting of the Ways" and "The Christmas Invasion". A third Children in Need special, but one that was part of the series' continuity, was produced for the charity's 2007 appeal. "Time Crash" starred David Tennant as the Tenth Doctor and Peter Davison as the Fifth Doctor, and filled in a gap between the episodes "Last of the Time Lords" and "Voyage of the Damned". This takes part directly after Martha leaves the TARDIS,
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