The fifteenth series of the British medical drama television series Casualty commenced airing in the United Kingdom on BBC One on 16 September 2000 and finished on 28 April 2001. It saw another increase, this time to 36 episodes, including two hour-long self-contained 'specials', "Sympathy for the Devil" (episode 8) and "Something from the Heart" (episode 23), which were shown in addition to the regular Saturday night episodes.