Warning: This article contains spoilers for The Life of Chuck.Act 3 of The Life of Chuck involves a mysterious apocalypse that has an explanation, though it is not necessarily laid out explicitly over the course of the movie. The 2025 film is an adaptation of the Stephen King novella of the same name, which was originally published as part of the collection If It Bleeds in 2020. It was directed by Mike Flanagan (The Haunting of Hill House, Oculus, Midnight Mass), who has previously brought two different King novels to the screen, namely the 2017 Netflix horror drama Gerald's Game and the 2019 sequel to The Shining, Doctor Sleep.