Summer Wars (2009)

Not under 12

Plot

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.

Videos

Trailer Official English Trailer Trailer Official Trailer [Subtitled]

Cast

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TMDB reviews

CinemaSerf ★ 7.0/10

It’s really quite apposite to watch this film at a time when governments across the world are merrily acquiescing to the demands of global tech to facilitate the rampant advance of AI. This story quit…6. Aug 2025

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