Hoshi o Katta Hi

is an animated 2006 short film produced by Studio Ghibli for their exclusive use in the Ghibli Museum. The film is based on a story by Naohisa Inoue.

Plot

The film tells how a boy moves from the city to the country. He works on a farm and one day when going to sell vegetables on a market, his cart breaks down. A stranger offers him a strange seed in exchange for the vegetables. The boy accepts and finds that the seed grows into a miniature planet. It continues growing as he tends to it, forming an atmosphere, weather systems and life. After moving back to the city again, he meets the stranger who sold the seed to him, and they release the planet into a galaxy of similar planets, where it will grow for years until becoming a real planet.