Holby City (styled as HOLBY CIY) is a British medical drama television series shown weekly on BBC One. The series was created by Tony McHale and Mal Young as a spin-off from the BBC medical drama "Casualty". It was first shown on 12 January 1999. It is set in the same hospital as "Casualty" in the fictional city of Holby. Some episodes have characters and plots shared with "Casualty". There have been episodes broadcast as "Casualty@Holby City". Some episodes have characters and plots shared with the show's 2007 police procedural spin-off "HolbyBlue".