Series 21 of British television drama The Bill was broadcast from 5 January until 29 December 2005. The series consisted of 106 episodes, making it the series with the highest number of episodes in the show's final decade, tied with series 19. Joint-longest serving cast member, DC Jim Carver (Mark Wingett), exited the show after 21 years, having been with the show since its first ever episode; he was the sixth character with over ten years on the series to have exited in the previous three years. It followed the events of the third Sun Hill station fire. As was the case in 1990 and 2002, a redevelopment to a large part of the station set was explained by an explosion, racist PCSO Colin Fairfax driving a van into the station reception to shift the blame for a terror attack onto the local As