Donnie Darko is a 2001 science fiction psychological thriller film written and directed by Richard Kelly. Jake Gyllenhaal stars as the titular character, a troubled teenager who starts experiencing strange visions and encounters a mysterious figure named Frank, who tells him that the world will end in 28 days. As Donnie navigates through his increasingly bizarre reality, the movie delves into themes of time travel, destiny, and existentialism. Donnie Darko has gained a cult following over the years and is praised for its complex narrative and Gyllenhaal's compelling performance.