Summer Wars

Summer Wars

Always protect your network.

Directed by Mamoru Hosoda

Produced by Madhouse, Nippon Television Network Corporation

2009114 min7.5 / 10

A visually stunning anime that balances a heartfelt family story with high-stakes sci-fi action, grounded in genuine warmth and connection.

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

Questions people ask

  • Is Summer Wars one of a kind? Yes, very. More singular than 98% of films.

  • Does Summer Wars end with hope? Yes, very. More hopeful than 90% of films.

  • Is Summer Wars easy watching? Yes. More comforting than 82% of films.

  • Is Summer Wars sad? Not especially. Less sad than 73% of films.

  • Is Summer Wars scary? Not especially. Less frightening than 58% of films.

  • Is Summer Wars violent? About average. Almost exactly mid-range.

These describe how the film comes across, measured across the whole film and compared with other well-known films. They are not a content list — nothing here was counted or checked scene by scene, so for age-suitability or specific content use a classification board or a dedicated content-warning service.

Written about

71/ 100

Cinnamon Score

How much this film gives you that nothing else will, and whether it delivers.

Distinctly its own thing.

Rarity95

How unlike any other film this one feels

Surprise38

How much more it delivers than it promises

Love88

How much audiences actually like it

The highest scores in the catalogue →

Ensemble

Everything like Summer Wars, and what each one shares →

Like Summer Wars

Nearest across the full emotional profile.

Same Mood as Summer Wars

Nearest on what's most distinctive about this one.

Like Summer Wars, But Darker

Similar, pushed toward heavier and more intense.

Like Summer Wars, But Lighter

Similar, pushed toward warmer and easier.

Like Summer Wars, But Less Popular

Same territory, far fewer people have seen it.

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