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 5 August 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.
Watch the trailer
Official Trailer [Subtitled]
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
Buy
Purchase a digital copy you keep in the storefront's library.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Is Summer Wars on Netflix, Disney+ or Prime Video?
Quick answers for the UK's biggest streaming services, checked against today's data.
Netflix
No — Summer Wars (2009) is not currently on Netflix or any other UK subscription service, but you can rent from Apple TV Store and Amazon Video or buy from Apple TV Store, Amazon Video, and Sky Store.
Amazon Prime Video
No — Summer Wars (2009) is not currently on Amazon Prime Video or any other UK subscription service, but you can rent from Apple TV Store and Amazon Video or buy from Apple TV Store, Amazon Video, and Sky Store.
Disney+
No — Summer Wars (2009) is not currently on Disney+ or any other UK subscription service, but you can rent from Apple TV Store and Amazon Video or buy from Apple TV Store, Amazon Video, and Sky Store.
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 in the UK?
No — Summer Wars (2009) is not currently on Netflix or any other UK subscription service, but you can rent from Apple TV Store and Amazon Video or buy from Apple TV Store, Amazon Video, and Sky Store.
Is Summer Wars on Amazon Prime Video in the UK?
No — Summer Wars (2009) is not currently on Amazon Prime Video or any other UK subscription service, but you can rent from Apple TV Store and Amazon Video or buy from Apple TV Store, Amazon Video, and Sky Store.
Is Summer Wars on Disney+ in the UK?
No — Summer Wars (2009) is not currently on Disney+ or any other UK subscription service, but you can rent from Apple TV Store and Amazon Video or buy from Apple TV Store, Amazon Video, and Sky Store.
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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