Psychoville is an award-winning British dark comedy television serial written by and starring The League of Gentlemen members Reece Shearsmith and Steve Pemberton. It debuted on BBC Two on 18 June 2009.
The series revolves around five different characters from different parts of England: David Sowerbutts (played by Pemberton), a serial killer-obsessed man-child who still lives with his mother Maureen (Shearsmith); Mr. Jelly (Shearsmith), an embittered one-handed children's entertainer; Oscar Lomax (Pemberton), a blind millionaire who collects stuffed toy animals; Joy Aston (French), a midwife who treats a practice doll as if it is her real child; and Robert Greenspan (Tompkins), a panto dwarf in love with his Snow White who believes he has the power of telekinesis.
All five are connected by a mysterious blackmailer who has sent them a letter each with the message: "I know what you did". The series is named after the title given to The League of Gentlemen when the series was sold to Japan and Korea.