Watch Summer Wars (2009)
Always protect your network.
Teenage math whiz Kenji Koiso agrees to take a summer job at the Nagano hometown of his crush, Natsuki. When he arrives, he finds that her family have reunited to celebrate the 90th birthday of their matriarch. His job: pretend to be Natsuki's fiancé. Meanwhile, his attempt to solve a mathematical equation causes a parallel world's collision with Earth.
Directed by Mamoru Hosoda · Cast Ryunosuke Kamiki, Hitomi Miyauchi, Mitsuki Tanimura, Sumiko Fuji, Ayumu Saito, Takahiro Yokokawa
Where to watch Summer Wars in United States
Availability updates daily. Streaming data for United States.
Stream
Rent
Stop hopping between apps. StreamDock puts Summer Wars and every streaming service in one cinematic library — track it, get notified, launch it in one click.
