Code 404 is a British police procedural comedy drama television series. The series stars Stephen Graham and Daniel Mays in the lead roles and the first series premiered on 29 April 2020 on Sky One. In May 2020, it was renewed for a second series which premiered on 1 September 2021 on Sky Comedy, following the shutdown of Sky One. In September 2023, the series was cancelled after three series due to Graham and Mays' busy schedules.