Murder in Successville is a British sitcom with improvisational elements created by Andy Brereton and Avril Spary. The series aired on BBC Three from 6 May 2015 to 24 May 2017. Murder in Successville stars Tom Davis as DI Sleet who is partnered with a guest celebrity every episode to solve a murder. The cast of every episode includes impersonations of various celebrities who live in the fictional Successville. Celebrities are transposed into fictional versions that fit into the setting of Successville, such as Alan Carr who in Successville's universe is a mobster and brother to Jimmy Carr. Liam Hourican appears as Chef Gordon Ramsay in each episode, introducing the guest celebrity at the start and revealing whether they have picked the correct killer at each episode's conclusion.