The fourth series of the British medical drama television series Holby City commenced airing in the United Kingdom on BBC One on 9 October 2001, and concluded on 1 October 2002. The episode run for this series was actually commissioned for 26 episodes, however a further 26 episodes were given the go ahead and were bolted onto the end of Series 4 resulting in a 52-episode series run. In essence, it is a combination of two separate series, but classed as one. From here on, each series was commissioned as a full 52-episode run.
The twenty-fourth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 12 September 2009, and concluded on 21 August 2010. Events of the series included a crossover with sister show Holby City.
The fifth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 7 September 1990 and finished on 7 December 1990.
The eleventh series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 14 September 1996 and finished on 22 February 1997. Notable events of the series include the death of Josh's wife and children as a result of a house fire, the birth of Charlie and Baz's son Louis, and the near-fatal stabbing of Jude at the end of the series.
The twelfth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 11 September 1997 and finished on 28 February 1998. The first episode was originally due to be shown on the evening of Saturday 6 September, but this was delayed until the following Thursday due to coverage of the Funeral of Diana, Princess of Wales earlier on that day, as the BBC felt it would be inappropriate to air the episode so soon after such an event.
The thirteenth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 5 September 1998 and finished on 13 March 1999. It saw another increase, this time to 28 episodes, including a feature-length Christmas episode. This was the first series to be broadcast in widescreen. The series also acted as a launchpad for characters and storylines in the spin-off series Holby City, which started in January 1999.
The fourteenth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 18 September 1999 and finished on 25 March 2000. It saw another increase, this time to 30 episodes.
The sixteenth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 15 September 2001 and finished on 29 June 2002. It saw another increase, this time to 40 episodes. On 30 March 2002, Episode 350 had to be shown on BBC Two, due to some schedule changes on BBC One resulting from the death of Queen Elizabeth The Queen Mother earlier that day.
The seventeenth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 14 September 2002 and finished on 21 June 2003.
The eighteenth series of the British medical drama television series Casualty began airing on BBC One in the United Kingdom on 13 September 2003, and concluded on 28 August 2004. The series consists of 46 episodes, which focus on the professional and personal lives of medical and ancillary staff at the emergency department (ED) of the fictional Holby City Hospital. Foz Allen serves as the series producer, while Mal Young and Mervyn Watson act as the executive producers of the series. Twelve regular cast members reprised their roles from the previous series and six actors joined the cast during the series. Original cast member Julia Watson, who portrays Baz Wilder, also returned.
The nineteenth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 11 September 2004 and finished on 20 August 2005. It saw another increase, this time to 47 episodes. For the Christmas episodes of the series, two cross-over episodes with Holby City were shown, titled as: "Casualty@Holby City".
The twentieth series of the British medical drama television series Casualty aired on BBC One from 10 September 2005 to 26 August 2006. The series ran for 48 episodes, including two multi-episode crossovers with Holby City, broadcast as Casualty@Holby City.
The twenty-first series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 23 September 2006 and finished on 4 August 2007. This saw an increase in episodes to 48.
The twenty-second series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 8 September 2007 and finished on 9 August 2008.
The twenty-fifth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 4 September 2010 and concluded on 6 August 2011. The series featured several crossovers with spin-off show Holby City.
The twenty-sixth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 13 August 2011, one week after the end of the previous series. It is the first series in the history of the show to begin without a break from the previous series and the first to begin in August rather than the traditional September launch. This series featured forty-two episodes, which was five episodes less than the previous series. Series twenty-six was the first series to broadcast in high definition, with the first high definition episode broadcast from episode 17. The episode also saw the first episode to be filmed at the new set in Cardiff. The show saw its twenty-fifth anniversary in September 2011 and in March 2012, the show aired their first ever three-part story which centred on gang violence. The series concluded with a two-part riot storyline, entitled '#HolbyRiot', which aired on 21 and 22 July 2012. The series was originally planned to finish on 21 July, but due to a postponed episode on 30 June, the finale was moved to the following day.
The twenty-seventh series of Casualty began airing on BBC One on 18 August 2012 with an episode featuring a disaster at a music festival. Filming series 26 was completed in April 2012 and filming series 27 began a week later. The first episode was in the normal format – a 50-minute episode. This season is 44 episodes, increasing from 42 for the previous one. Viewing figures for the first episode were 5.19 million viewers, continuing to be one of the most watched programmes of a Saturday night.
The twenty-eighth series of Casualty began airing on BBC One on 3 August 2013, one week after the end of the previous series. This series consisted of 48 episodes, the highest episode order since series 24. The series concluded on 23 August 2014.
"Too Old for This Shift" is a special feature-length episode of the British medical drama television series Casualty. It was broadcast as the premiere episode of its thirty-first series on 27 August 2016, on BBC One, to commemorate the 30th anniversary of the show. The special, which is 99 minutes long, was co-written by Matthew Barry and Andy Bayliss, directed by Steve Hughes, and produced by Lucy Raffety.
The thirty-second series of the British medical drama television series Casualty began airing on BBC One in the United Kingdom on 19 August 2017, and concluded on 4 August 2018. The series consisted of 44 episodes. Erika Hossington continued her role as series producer, however, following her resignation in August 2017, was replaced by Lucy Raffety. Simon Harper began his role as the show's executive producer. Twenty cast members reprised their roles from the previous series. Lloyd Everitt, Crystal Yu, Jamie Davis left their respective roles during the series, while Charlotte Salt reprised her role as Sam Nicholls from episode five onwards. Four new cast members also joined the drama in series 32. The series opened with a two-parter special set in northern France, which was followed by an extended 70-minute special episode. It is the first series in the history of the show to omit episode titles.
