Summer Wars (2009)

Overview · Where to watch · Cast & crew · Reviews

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.

• Released: 2009-08-01
• Genres: Animation, Science Fiction
• Runtime: 1h 54m
• Status: Released
• TMDB rating: 7.5/10 from 1,071 votes

Directed by Mamoru Hosoda.

Top cast

• Ryunosuke Kamiki as Kenji Koiso (voice)
• Hitomi Miyauchi as Natsuki Shinohara (voice)
• Mitsuki Tanimura as Kazuma Ikezawa (voice)
• Sumiko Fuji as Sakae Jinnouchi (voice)
• Ayumu Saito as Wabisuke Jinnouchi (voice)
• Takahiro Yokokawa as Takashi Sakuma (voice)
• Kiyomi Tanigawa as Yukiko Shinohara (voice)
• Mutsumi Sasaki as Kazuo Shinohara (voice)
• Mieko Nobusawa as Mariko Jinnouchi (voice)
• Takuya Kirimoto as Riichi Jinnouchi (voice)

Full cast & crew

Where to watch Summer Wars

• United States: stream on HBO Max Amazon Channel, HBO Max; rent on Amazon Video, Apple TV Store, Google Play Movies, YouTube, Fandango At Home; buy on Amazon Video, Apple TV Store, Google Play Movies, YouTube, Fandango At Home
• United Kingdom: rent on Apple TV Store, Amazon Video; buy on Apple TV Store, Amazon Video, Sky Store
• Canada: rent on Apple TV Store; buy on Apple TV Store

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