Inside No. 9 Link -

: Every episode takes place entirely inside a location associated with the number nine. This could be a suburban house, a dressing room, a vintage railway compartment, a luxury hotel suite, or even a literal grave.

Initially, the creators were nervous about appearing in every episode, fearing it might seem like a "vanity project," but soon realized that their presence was the very thread that could guide viewers through such a varied anthology. They were determined to prove their critics wrong. As Pemberton reflects on their decade of defying expectations, "There have definitely been times where TV executives have thought we can't achieve certain things, but we've always proved them wrong". This defiance became the engine behind the show's relentless experimentation. inside no. 9