Casualty series 40

The fortieth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 2 August 2025. The series focuses on the professional and personal lives of medical and ancillary staff at the emergency department (ED) of the fictional Holby City Hospital. Roxanne Harvey serves as executive producer, while Liza Mellody continued as series producer. Series 40 is expected be the last prior to a new production contract coming into force, and the final to be set in the fictional location of Holby. The series concludes the mini-series Supply and Demand.