Summer Wars (2009)
AnimationScience Fiction
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 Summer Wars
7
Platforms (US)
20
Countries
United States
Stream
HBO Max Amazon Channel
HBO Max
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Amazon Video
Apple TV Store
Google Play Movies
YouTube
Fandango At Home
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Amazon Video
Apple TV Store
Google Play Movies
YouTube
Fandango At Home
Canada
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Apple TV Store
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Apple TV Store
United Kingdom
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Apple TV Store
Amazon Video
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Apple TV Store
Amazon Video
Sky Store
Germany
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RTL+
RTL+ Max Amazon Channel
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Apple TV Store
Amazon Video
maxdome Store
MagentaTV
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Freenet meinVOD
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Apple TV Store
Amazon Video
maxdome Store
MagentaTV
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France
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Apple TV Store
Canal VOD
VIVA by videofutur
Premiere Max
ARTE Boutique
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Apple TV Store
Canal VOD
VIVA by videofutur
Premiere Max
ARTE Boutique
Brazil
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Filmelier Plus Amazon Channel
Mexico
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Filmelier Plus Amazon Channel
Japan
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Netflix
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Hulu
U-NEXT
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Amazon Prime Video with Ads
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Amazon Video
Apple TV Store
Google Play Movies
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Show 12 more countries
Austria
Stream
RTL+
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Amazon Video
Apple TV Store
maxdome Store
Buy
Amazon Video
Apple TV Store
maxdome Store
Chile
Stream
Filmelier Plus Amazon Channel
Colombia
Stream
Filmelier Plus Amazon Channel
GG
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Amazon Video
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Amazon Video
Hong Kong
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Apple TV Store
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Apple TV Store
Ireland
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Apple TV Store
Amazon Video
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Apple TV Store
Sky Store
Amazon Video
Italy
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Amazon Prime Video
Amazon Prime Video with Ads
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Amazon Video
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Amazon Video
RU
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Okko
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Okko
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Okko
SM
Stream
Amazon Prime Video
South Korea
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wavve
Watcha
TVING
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wavve
Switzerland
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Apple TV Store
Amazon Video
Buy
Apple TV Store
Amazon Video
VA
Stream
Amazon Prime Video
Cast
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)
Frequently Asked Questions
Where can I watch Summer Wars?
Summer Wars is available to stream on HBO Max Amazon Channel, HBO Max in the United States. Availability varies by country — use FindMyStreams to check your region.
Is Summer Wars on Netflix?
Summer Wars is not currently on Netflix in the US. Check FindMyStreams for all available platforms.
Can I watch Summer Wars for free?
Summer Wars is not currently available for free streaming. It may be available through paid subscription services or for rent/purchase.