Season 0 of 勇者指令 premiered on October 22, 1997.

Season 1 of 勇者指令 premiered on February 3, 1996.

An alien detective comes to the earth and tells five high school students that evil Salgatz aliens are trying to conquer the planet. The detective gives them machines and power for them to change into five Dragons to fight against the Salgatz aliens. Now their fight against the Salgatz has begun.