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.
Frequently asked questions
Who directed Summer Wars?
Mamoru Hosoda directed Summer Wars in 2009.
What is the IMDb rating?
Summer Wars has an IMDb rating of 7.4/10 from 33,843 votes.
Where can I watch Summer Wars?
Summer Wars is available on HBO Max Amazon Channel, HBO Max, Amazon Video.
How long is Summer Wars?
Summer Wars has a runtime of 1h 54min (114 minutes).