Psychoville is a British psychological horror-thriller black comedy mystery television series created and written by and starring The League of Gentlemen members Reece Shearsmith and Steve Pemberton for the BBC. It debuted on BBC Two on 18 June 2009. Pemberton and Shearsmith each play numerous characters, with Dawn French, Jason Tompkins, Daniel Kaluuya and Eileen Atkins in additional starring roles. The first series was followed by a Halloween special, broadcast on 31 October 2010, which saw Imelda Staunton and Jason Watkins added to the main cast. The second series was first broadcast on 5 May 2011 and ended on 6 June. Reece Shearsmith has said that there will not be a third series.

In February 2020, Shearsmith and Pemberton's follow-up series, Inside No. 9, crossed over with Psychoville and brought back five of the characters for the episode "Death Be Not Proud".