The thirty-seventh series of the British medical drama television series Casualty begins airing on BBC One in the United Kingdom on 20 August 2022. 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. Jon Sen continues his role as the executive producer and Liza Mellody begins her position as series producer. Series 37 marks the first to return to regular filming protocols after the COVID-19 pandemic. The series has been marred by scheduling conflicts, with one episode premiering on BBC Two.