Spaceship Sagittarius

is a 77-episode Japanese science fiction anime television series directed by Kazuyoshi Yokota and created by Nippon Animation, based on comics created by Italian physicist Andrea Romoli. It aired on TV Asahi from January 10, 1986 to October 3, 1987.

Plot
Four astronauts travel through space and visit many planets where they have an adventure on each. Each adventure seems to have a sort of morality, such as the value of friendship or the protection of endangered species.