

Summer Wars (2009)
Always protect your network.
Plot Summary
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.
Full Cast & Characters

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)
Director & Crew
Mamoru Hosoda
Director
Official Trailer

Where to Watch Summer Wars Online
You can currently stream Summer Wars online or watch it in HD via the link below.
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Frequently Asked Questions
Where can I watch Summer Wars online?
Summer Wars (2009) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the IMDb rating of Summer Wars?
It has an IMDb rating of 7.5/10 based on 1023 votes.
Who directed Summer Wars?
Summer Wars was directed by Mamoru Hosoda and released in 2009.
How long is Summer Wars?
Summer Wars has a runtime of 1 hours and 54 minutes.
Movie Details
- Release Date
- 2009-08-01
- Box Office
- $18.4M
- Status
- Released





