Summer Wars

Summer Wars (2009)

Always protect your network.

Animation Science Fiction

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.

star 7.5 7.4 63 81%
  • Release Date: 2009-08-01
  • Runtime: 1h 54min
  • Director: Mamoru Hosoda

Where to Watch Summer Wars Online

You can now watch Summer Wars online on the following streaming services in the United States.

    • Trailer

    Cast

    • Ryunosuke Kamiki

      Kenji Koiso (voice)

    • Hitomi Miyauchi

      Natsuki Shinohara (voice)

    • Mitsuki Tanimura

      Kazuma Ikezawa (voice)

    • Sumiko Fuji

      Sakae Jinnouchi (voice)

    • Ayumu Saito

      Wabisuke Jinnouchi (voice)

    • Takahiro Yokokawa

      Takashi Sakuma (voice)

    • Kiyomi Tanigawa

      Yukiko Shinohara (voice)

    • Mutsumi Sasaki

      Kazuo Shinohara (voice)

    • Mieko Nobusawa

      Mariko Jinnouchi (voice)

    • Takuya Kirimoto

      Riichi Jinnouchi (voice)

    • Sakiko Tamagawa

      Rika Jinnouchi (voice)

    • Ichiro Nagai

      Mansuke Jinnouchi (voice)

    • Takashi Kobayashi

      Tasuke Jinnouchi (voice)

    • Yutaka Shimizu

      Shota Jinnouchi (voice)

    • Kaori Yamagata

      Naomi Miwa (voice)

    • Tagame Tamura

      Kiyomi Ikezawa (voice)

    • Tadashi Nakamura

      Mansaku Jinnouchi (voice)

    • Yoji Tanaka

      Yorihiko Jinnouchi (voice)

    • Hashiya Nakamura

      Kunihiko Jinnouchi (voice)

    • Mitsutaka Itakura

      Katsuhiko Jinnouchi (voice)

    • Eiko Kanazawa

      Noriko Jinnouchi (voice)

    • Chigusa Takaku

      Nana Jinnouchi (voice)

    • Riisa Naka

      Yumi Jinnouchi (voice)

    • Naoto Adachi

      Ryohei Jinnouchi (voice)

    • Rikito Ota

      Yuhei Jinnouchi (voice)

    • Yuki Imai

      Shingo Jinnouchi (voice)

    • Sumire Morohoshi

      Mao Jinnouchi (voice)

    • Hinano Minagawa

      Kana Jinnouchi (voice)

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