The Disappearance of Haruhi Suzumiya is a 2010 Japanese animated film based on the light novel series The Melancholy of Haruhi Suzumiya. It follows Kyon as he wakes up in a world where Haruhi and the SOS Brigade never existed, forcing him to uncover what changed reality and how to restore it. The film is known for its longer runtime, more serious tone, and strong character-driven mystery, making it one of the most acclaimed entries in the franchise.