Where to watch Summer Wars (2009) in the UK
Summer Wars (2009) is not currently on UK subscription streaming. It can also be rented from Apple TV Store and Amazon Video or bought from Apple TV Store, Amazon Video, and Sky Store. Last verified on 3 May 2026 by ScreenSearch.
Always protect your network.
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.
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Official Trailer [Subtitled]
Streaming options in the United Kingdom
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Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in Summer Wars.
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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)
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Summer Wars — frequently asked questions
Where can I watch Summer Wars in the UK?
Summer Wars (2009) is not currently included in any UK subscription service. It is available to rent on Apple TV Store and Amazon Video and buy on Apple TV Store, Amazon Video, and Sky Store in the United Kingdom.
How much does it cost to rent Summer Wars?
Rental prices vary by service and tier (HD vs 4K), typically £3.49 to £5.99 in the UK for a 48-hour rental. ScreenSearch links you straight to Apple TV Store and Amazon Video so you can check the current price.
Can I buy a digital copy of Summer Wars?
Yes. Summer Wars can be bought as a digital download from Apple TV Store, Amazon Video, and Sky Store in the UK. A purchased digital copy lives in that storefront's library and stays available as long as the licence holds.
Is Summer Wars on Netflix, Disney+ or Amazon Prime Video in the UK?
Summer Wars is not currently included with any major UK subscription service. It may still be available to rent or buy.
How accurate is this film's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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