For example, while gothic horror was a major component in one case, other times slapstick comedy was used extensively; the humour, however, is typically dark and British. The episodes generally begin with scenes of "utter banality", before the darker elements are revealed. Despite the various episodes featuring unrelated plots and characters, one reviewer said that they are all linked "by a mercurial synthesis of morbid comedy, wicked social commentary and a genuine creepiness". Inside No. 9 is somewhat more grounded and realistic than the writers' previous work, such as Psychoville and The League of Gentlemen. Pemberton said that he and Shearsmith decided not to mix the worlds of Inside No. 9 and their previous projects, but nonetheless include the occasional reference; for example, a character called "Ollie" is mentioned in one Inside No. 9 episode, and the writers imagined that this was Ollie Plimsoles of Legz Akimbo, a character from The League of Gentlemen. Similarly, Inside No. 9 was referenced in the 2017 reunion specials of The League of Gentlemen. Tubbs and Edward are seen living in flat number 9, and the Inside No. 9 hare is visible on their shop counter. In the 2018 Halloween special, in which Pemberton and Shearsmith play versions of themselves, both the League of Gentlemen and its third writer, Mark Gatiss, are directly referred to in the dialogue. The 2020 episode "Death Be Not Proud" directly referenced Psychoville by featuring various characters from the series in that particular episode. Production and development In 2012, after finishing their previous show, Psychoville, writers Pemberton and Shearsmith were commissioned to produce two series for the BBC by controllers Janice Hadlow and Cheryl Taylor, partially in response to Sky beginning to produce comedy. At the time, it was unclear whether this would be two series of Inside No. 9, then known by the working title Happy Endings, or a series of Inside No. 9 and a series of some other programme. Inside No. 9 was to be produced by a BBC team, which was later revealed to be David Kerr (director), Jon Plowman (executive producer) and Adam Tandy (producer). Pemberton and Shearsmith took inspiration for Inside No. 9 from "David and Maureen", episode 4 of the first series of Psychoville, which was in turn inspired by Alfred Hitchcock's Rope. This episode took place entirely in a single room, and was filmed in only two shots. The writers were