Future Boy Conan (1978)

Hayao Miyazaki's Future Boy Conan on Blu-ray & Digital [Official Trailer, GKIDS]

After the great disaster of 2008, a war that destroyed the planet, the world is now largely ocean with the continents having sunk. Conan lives on a remote island with his grandpa and nature, never having seen another human being. But one day a mysterious girl, Lana, washes up on his beach. The two become quick friends,...