Okashina Okashina Hoshi no Kuni
Japanese title: おかしなおかしな星の国
Type: OVA
Source: Original
Episodes: 1
Status: Finished Airing
Aired: 1968
Duration: 20 min
Rating: G - All Ages
Studios: Toei Animation
Genres: Sci-Fi
Themes: Educational, Space

It's the 21st century, an era when free space travel is possible. A spaceship for school trips is traveling in space, when suddenly, it is surrounded by unidentified flying objects and taken to an unknown planet.

(Source: Wikipedia, translated)