Watch Summer Wars online in HD

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 (2009) is a animation/science fiction film running 1h 54m, directed by Mamoru Hosoda. It is available in HD on Movy for 5 credits. Create an account, add credits and the unlock is yours permanently. Use the player controls for subtitles, quality and fullscreen.

Once unlocked, the film starts in the player at the top of this page. If the first source is slow, the player rotates to a backup automatically. Your purchase is stored in your account, so Summer Wars opens straight into playback on any return visit. Progress is saved on this device.