“Summer Wars” (2009) is a sci-fi anime directed by Mamoru Hosoda (The Girl Who Leapt Through Time) and animated by Madhouse studio. The film’s plot follows Kenji Koiso, an eleventh-grade math prodigy who, while visiting his friend Natsuki’s great-grandmother, is falsely implicated in the hacking of a virtual world by a rogue AI called Love Machine. With the help of his community, Kenji must undo the damage and prevent the AI’s spread into the real world.

Watch the full film here.