Wikimedia Commons/Backrooms movie Movie A24's Backrooms film expands the viral horror mythos. A man discovers a terrifying labyrinth within a store. Watch the official trailer for the chilling new ... April 1, 2026 AceShowbiz - Backrooms is the upcoming horror film from A24 that expands a popular YouTube web series and introduces a fresh take on supernatural terror. Directed by Kane Parsons, the movie builds on Parsons' original online series, which itself was inspired by a creepy internet story from 4chan.