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Summer Wars (Sama Wozu) (2010)



Average Rating: 7.2/10
Critic Reviews: 14
Fresh: 11 | Rotten: 3

No consensus yet.



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Average Rating: 4.1/5
User Ratings: 4,054

My Rating

Movie Info

Kenji is a teenage math prodigy recruited by his secret crush Natsuki for the ultimate summer job - passing himself off as Natsuki's boyfriend for four days during her grandmother's 90th birthday celebration. But when Kenji solves a 2,056 digit math riddle sent to his cell phone, he unwittingly breaches the security barricade protecting Oz, a globe-spanning virtual world where millions of people and governments interact through their avatars, handling everything from online shopping and traffic

Feb 15, 2011


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All Critics (23) | Top Critics (15) | Fresh (16) | Rotten (5) | DVD (4)

The filmmakers can't keep the strands of their clumsy plot straight, but they create brilliant images and manipulate them with blithe abandon.

January 20, 2011 Full Review Source: Wall Street Journal | Comments (2)
Wall Street Journal
Top Critic IconTop Critic

An enjoyably trippy Japanese animated feature from director Mamoru Hosoda, Summer Wars combines real-world drama (school crushes, testy relatives) with virtual-world dramatics.

January 20, 2011 Full Review Source: Philadelphia Inquirer | Comment (1)
Philadelphia Inquirer
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The relationship between Kenji and Natsuki unfolds as blandly as a Debra Messing rom-com.

January 14, 2011 Full Review Source: Washington Post | Comments (3)
Washington Post
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It's a sugar rush of candy-colored images, a beautifully drawn tale of family tradition and a bracing brain tonic about the Internet's charms and vulnerabilities.

January 7, 2011 Full Review Source: Denver Post
Denver Post
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A sophisticated yet poignant family entertainment with an appeal beyond Japanese animation buffs.

January 6, 2011 Full Review Source: Los Angeles Times
Los Angeles Times
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A free-flowing amalgam of cyberthriller and high school romcom.

January 6, 2011 Full Review Source: Minneapolis Star Tribune
Minneapolis Star Tribune
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A charming allegory for man - or woman - against machine, Summer Wars is an eye-popping symphony of colour and imagination that leaps from the screen to blow the viewer's mind.

April 4, 2011 Full Review Source:

Far from resorting to easy, reactionary technophobia, Hosoda shows Japan's age-old traditions being upheld throughout different generations, with the beautifully realised digital community of OZ proving as much the solution as the problem.

March 28, 2011 Full Review Source: Little White Lies
Little White Lies

Where Hosoda shines is in the Oz-world visuals. The various confrontations with Love Machine in cyberspace are completely engaging - metaphorical visual representations of virtual conflicts in the manner of Tron: Legacy and Inception.

January 27, 2011 Full Review Source: Brand X
Brand X

The story's been done better (and balder) in Die Hard With A Vengeance

January 16, 2011 Full Review Source: I.E. Weekly | Comments (4)
I.E. Weekly

Summer Wars is every bit as good as anime fans have been hoping it would be.

January 7, 2011 Full Review Source: Austin Chronicle
Austin Chronicle

candy-colored anime

January 6, 2011 Full Review Source: | Comments (3)

Audience Reviews for Summer Wars (Sama Wozu)

A rogue artificial intelligence wrecks havoc on "Oz," an omnipresent virtual reality network of the near future, seizing control of most of the world's computers; a young math genius is the only hope to save the infrastructure. Decent juvenilia with outstanding psychedelic animations in the nonsensical but beautiful cyberspace battle scenes.
November 1, 2013
Greg S

Super Reviewer

Summer Wars is another excellent movie from Madhouse and Mamoru Hosada, the director of The Girl Who Leapt Through Time.

Like THWLTT, Summer Wars is a science fiction movie with heart. Instead of the humorous, poignant tone of the previous movie, Summer Wars focuses on family bonds and the inherent potential for mayhem that is an unavoidable part of our incredibly connected, increasingly virtual society. It's an easy to follow story that should have a lot of appeal for a broad audience.

The dubbing and animation are wonderful, and the fact that so much of the events play out in the virtual world provides a lot of opportunities for some eye-catching visuals. The music is fine, but not quite up to the fantastic score of The Girl Who Leapt Through Time.

I slightly prefer THWLTT, but both movies are fully recommended and I've given them the same score. They're wonderful films, even in comparison to the amazing movies that have been coming out of Studio Ghibli for years. I can't wait to see what Hosada is working on next.
February 23, 2011

Super Reviewer

Hosoda Mamoru's thrilling and surprisingly touching "anime" movie Summer Wars is this generation's War Games, a cautionary tale that while warning of humanity's over-reliance on technology (especially the new emerging cellular, virtual, internet and personal/portable technologies) also celebrates the human spirit by showing the importance of family and how those bonds triumph against any and all adversity however insurmountable. Hosoda once again delivers the goods with a timely, winning, intelligent, and very poignant anime/cartoon that will appeal both to adults and kids.

The story begins rather innocently - high school computer geek Kenji (voiced by Kamiki Ryunosuke) and his classmate Takashi (voiced by Yokokawa Takahiro)spend their free time doing grunt coding/programming work to help support the global social network system known as "OZ". "OZ" isn't just a place for people to meet and socialize, play games and do research but is also tied into virtually everyone's daily lives (every single business, government, public service including the military are linked together -- think a Super World Wide Web). One day the high school's most popular girl, Shinohara Natsumi (voiced by Sakuraba Nanami) visits their classroom to ask a favor. Natsumi has to go back to her hometown in Ueda Prefecture to attend an annual family reunion and wants one of them to accompany her as support, as she says these gatherings are often uncomfortable. While both volunteer, it is timid and bashful Kenji whom she picks to go with her. Kenji soon realizes that things aren't exactly what they seem as he soon learns that the real reason Natsumi asked him to go with her is so that they can pretend to be a couple and to reassure her relatives that she is doing well in Tokyo. Natsumi wants to especially impress her influential grandmother, the resilient and authoritative Jinnouchi Sakae (voiced by the wonderful actress Terashima Junko) who is not only the matriarch of the family but who seems to know just about any and everyone in town.

As with most family reunion films, the Jinnouchi Clan is quite an eclectic band of people including your atypical oddball relatives, noisy aunts and uncles, bratty grandchildren and mysterious cousins. One of those relatives is Natsumi's 13 year old cousin Kazuma (voiced by Tanimura Mitsuki), a social misfit who has been bullied at school in the past but who has found Internet fame via his online fighting alter ego and avatar "King Kazuma" (think a animorphic version of the "King of Fighters" character Terry Bogard). Another relative, the enigmatic Wabisuke (voiced with cool smoothness by Saito Ayumu) has also come back for the reunion after cutting ties with the family years earlier and who now lives abroad in the US. Much to Kenji's chagrin, he learns that Natsuki has always had a school girl crush for her handsome "uncle".

The real story however unfolds when Kenji inadvertently breaks the security code/password for the "OZ" network (Kenji just so happens to be a mathematical prodigy who is able to crack complex computer code in his mind in a matter of minutes) thus allowing a super computer virus/artificial intelligence program called "Love Machine" to infect the network and cause all sorts of havoc both in the virtual world and in the real world (Love Machine uses OZ to crash major city energy grids, divert military satellite orbits, arm nuclear war heads and takeover/hack the information and Avatars of billions of OZ users). As Love Machine gets stronger and brings the world to total chaos, Kenji, Takashi and Kazama struggle to save the OZ network while Natsumi and her grandmother Sakae gather their friends and family together to help save their community from all the technological mayhem.

As with many of the recent Pixar films, Hosoda's film succeeds at transcending the "cartoon" medium to deliver a story that is just as thrilling and poignant as any live action film.

At the heart of "Summer Wars" strength is its likable cast of eccentric characters who make the audience care for them. The characters of Kenji, Sakae, Wabisuke and Natsumi are all very well developed and it is a credit to the talented voice actors that portray them that they are able to flesh these characters out so well and make them work on so many levels.

Okudera Satoko's brilliant story celebrates the advancements that have been made in computer, internet and communication technology while also criticizing the over-reliance on those technologies to take care of our complete needs. As with Pixar's recent film "Up", Okudera's story celebrates the human spirit of individuals especially our elders and shows that despite their age, they bring a wealth of experience, world knowledge and tenacity that is absolutely invaluable.

Enough can't be said of Hosoda's inventive direction and storytelling. As with his first anime film the "Toki O Kakeru Shojou" Hosoda has a knack for telling interesting and engaging stories. Never once is "Summer Wars" at all boring. Hosoda is able to mix both comedy and drama well and in fact there are also some genuinely tearful scenes that were really very touching.

The animation work by the famed Madhouse group is stunning and beautiful to behold. While not as elaborate as some of the computer generated works of Pixar they are still quite effective at creating a believable world - from the lush backgrounds of the Ueda countryside, to the ultra detailed city scenes of Tokyo, to the imaginative virtual world of "OZ" they were able to do it all. Sadamoto Yoshiyuki's character designs were also quite good and he gave each character a unique and appealing look which seemed to match their personality well.

Summer Wars is not just a great "anime" movie, it is just a great movie period and one that will have you appreciating your relatives and extended families however odd they may be.
December 30, 2010
Ariuza k.
Ariuza koraw

Super Reviewer

Mamoru Hosoda's Summer Wars is a fine specimen of Japanese animation.At first glance, Summer Wars seems like a comedic summer adventure in a rural setting; however, there is a pretty high degree of technology involved in the story. For the first half an hour, it is difficult to see where this picture is going, but the lively characters and rapid striking dialogue keep things amusing and moving along. The final hour is the ace as it puts the "wars" in Summer Wars, the "a" in avatar, and the "hanafuda" in hanafuda.Visually, this picture is pleasing. Both of the major settings, the Jinnouchi family household and the virtual OZ universe, are engulfing. The OZ universe in particular is dazzling. The characters look good as usual and so do the avatars.The voice acting successfully matches the looks of the characters and there are a lot of them to go around. It is difficult to match names to faces, as they are all unveiled in a matter of a minute, but it becomes easier to follow as the characters with more integral parts step up to the plate.Summer Wars really does have a lot to offer for a Japanese animation. It excels in many departments, which makes for an enjoyable 110 minutes. "Koi Koi!"
July 16, 2010
JY Skacto

Super Reviewer

    1. Sakae: And you always eat together as a family, even during difficult times, because being hungry and being all alone are the worst things that can happen to anyone.
    – Submitted by Ciara Vic L (2 years ago)
    1. Sakae: Never turn your back on family, even when they hurt you. Never let life get the better of you. And if you remember nothing else, remember to find time to eat together as a family. Even when times are rough; especially when times are rough. There's no lack of painful things in this world, but hunger and loneliness must surely be two of the worst.Thanks to you, my precious family, I didn't know a moment of either of those the last ninety years.
    – Submitted by Caleb H (3 years ago)
    1. Kazuma: It's no game, it's a sport. Games are for people who don't care enough. In sports, you compete to win.
    – Submitted by Benny B (3 years ago)
    1. Kenji Koiso: Quitting won't do you any good. You have to work for an answer.
    – Submitted by Benny B (3 years ago)
    1. Sakuma: Please tell me you didn't break the internet.
    – Submitted by Chris P (3 years ago)
View all quotes (5)

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