Poster for Summer Wars (2009)

Movie Age rating in Japan: G

Summer Wars (2009)

Aug 1, 2009 · 1h 54m

7.5/10 TMDB user score
1,091 votes on TMDB

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.

Where to watch Official trailer Compare

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Official trailer

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Where to watch in Japan

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  • Amazon Prime Video
  • Hulu
  • U-NEXT
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  • Amazon Prime Video with Ads

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Top cast

  • Ryunosuke Kamiki Ryunosuke Kamiki Kenji Koiso (voice)
  • Hitomi Miyauchi Hitomi Miyauchi Natsuki Shinohara (voice)
  • Mitsuki Tanimura Mitsuki Tanimura Kazuma Ikezawa (voice)
  • Sumiko Fuji Sumiko Fuji Sakae Jinnouchi (voice)
  • Ayumu Saito Ayumu Saito Wabisuke Jinnouchi (voice)
  • Takahiro Yokokawa Takahiro Yokokawa Takashi Sakuma (voice)
  • Kiyomi Tanigawa Kiyomi Tanigawa Yukiko Shinohara (voice)
  • Mutsumi Sasaki Mutsumi Sasaki Kazuo Shinohara (voice)
  • Mieko Nobusawa Mieko Nobusawa Mariko Jinnouchi (voice)
  • Takuya Kirimoto Takuya Kirimoto Riichi Jinnouchi (voice)
  • Sakiko Tamagawa Sakiko Tamagawa Rika Jinnouchi (voice)
  • Ichiro Nagai Ichiro Nagai Mansuke Jinnouchi (voice)
  • Takashi Kobayashi Takashi Kobayashi Tasuke Jinnouchi (voice)
  • Yutaka Shimizu Yutaka Shimizu Shota Jinnouchi (voice)
  • Kaori Yamagata Kaori Yamagata Naomi Miwa (voice)
  • Tagame Tamura Tagame Tamura Kiyomi Ikezawa (voice)

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