Streaming guide
Where to Watch Summer Wars(2009)
“Always protect your network.”
Looking for where to watch Summer Wars? You can currently find Summer Wars online through HBO Max Amazon Channel, YouTube TV, and Max. Availability changes often, so we separate subscription, free, rental, and purchase options below.
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.
Summer Wars trailer
Summer Wars (2009), directed by Mamoru Hosoda, is an animation film and is available to stream on 8 services in the US. With an IMDb score of 7.4/10 and 81% on Rotten Tomatoes from 1,043 ratings, it has mixed-to-positive reviews. Released in 2009, it's a 2000s animation that continues to find new audiences through streaming.
The film stars Ryunosuke Kamiki, Hitomi Miyauchi, and Mitsuki Tanimura. At 114 minutes, it's a typical feature-length viewing. It fits comfortably into a single sitting without feeling rushed.
If you're looking to watch Summer Wars online, the best option is HBO Max Amazon Channel for subscribers, and it's also included with YouTube TV and Max, so subscribers to any of those services can watch without an additional rental. Prefer not to add another subscription? You can also rent or buy it from Amazon Video, Apple iTunes, and Google Play Movies. If you're picking what to watch next, it shares a vibe with Naruto Shippuden the Movie: The Lost Tower and The Mitchells vs. the Machines, both of which are available to stream right now.
Where to watch
Start watching Summer Wars
Pick a service below. Availability can change, so we prioritize subscription and free options first.
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Frequently asked
- No — Summer Wars isn't streaming on Netflix. It's currently available on HBO Max Amazon Channel, YouTube TV, Max.
- Summer Wars is available to stream on HBO Max Amazon Channel, YouTube TV, Max in the US.
- No — Summer Wars isn't streaming on Prime Video. It's currently available on HBO Max Amazon Channel, YouTube TV, Max.
- No — Summer Wars isn't on a free-with-ads service right now, but it's included with HBO Max Amazon Channel, YouTube TV, Max.
- Summer Wars runs 1h 54m (114 minutes total).
- IMDb 7.4/10 · Rotten Tomatoes 81% · Metacritic 63/100.
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