Summer Wars

Directed by Mamoru Hosoda
PG
2009    1h 54mAction, Adventure,
7.481%87%
Kenji Koiso, an eleventh grade math genius, 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 the family matriarch. His job is to 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 Summer Wars

Cast of Summer Wars

  • Ryunosuke KamikiKenji Koiso (voice)
  • Hitomi MiyauchiNatsuki Shinohara (voice)
  • Mitsuki TanimuraKazuma Ikezawa (voice)
  • Sumiko FujiSakae Jinnouchi (voice)
  • Ayumu SaitoWabisuke Jinnouchi (voice)
  • Takahiro YokokawaTakashi Sakuma (voice)
  • Kiyomi TanigawaYukiko Shinohara (voice)
  • Mutsumi SasakiKazuo Shinohara (voice)
  • Mieko NobusawaMariko Jinnouchi (voice)
  • Takuya KirimotoRiichi Jinnouchi (voice)
  • Sakiko TamagawaRika Jinnouchi (voice)
  • Ichiro NagaiMansuke Jinnouchi (voice)
  • Takashi KobayashiTasuke Jinnouchi (voice)
  • Yutaka ShimizuShota Jinnouchi (voice)
  • Kaori YamagataNaomi Miwa (voice)
  • Tagame TamuraKiyomi Ikezawa (voice)
  • Tadashi NakamuraMansaku Jinnouchi (voice)
  • Yoji TanakaYorihiko Jinnouchi (voice)
  • Hashiya NakamuraKunihiko Jinnouchi (voice)
  • Mitsutaka ItakuraKatsuhiko Jinnouchi (voice)
  • Eiko KanazawaNoriko Jinnouchi (voice)
  • Chigusa TakakuNana Jinnouchi (voice)
  • Riisa NakaYumi Jinnouchi (voice)
  • Naoto AdachiRyohei Jinnouchi (voice)
  • Rikito OtaYuhei Jinnouchi (voice)
  • Yuki ImaiShingo Jinnouchi (voice)
  • Sumire MorohoshiMao Jinnouchi (voice)
  • Hinano MinagawaKana Jinnouchi (voice)
  • Mamoru HosodaDirector / Writer
  • Satoko OkuderaWriter
  • Nozomu TakahashiProducer
  • Takuya ItoProducer
  • Yuichiro SaitoProducer
  • Takashi WatanabeProducer

Summer Wars Ratings & Reviews

  • Lady_HarkkonnenJune 17, 2025
    All these years later and the movie still makes me cry just like the first time I saw it in 2014.
  • AgentBlue34April 19, 2025
    This Movie is dope I love the messages in it.

Watch Summer Wars Videos

  • Summer Wars
    Summer WarsTrailer

 

  •   
  •   
  •   
  •   
  •   
  •   
  •   

Take Plex everywhere

Watch free anytime, anywhere, on almost any device.
See the full list of supported devices