| Casualty | |
|---|---|
| Series 23 | |
| No. of episodes | 48 |
| Release | |
| Original network | BBC One |
| Original release | 13 September 2008 – 1 August 2009 |
| Series chronology | |
The twenty-third series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 13 September 2008, and concluded on 1 August 2009.