Zettai Muteki Raijin-Oh
English title: Matchless Raijin-Oh
Japanese title: 絶対無敵ライジンオー
Alternative titles: Eldran series #1
Type: TV
Source: Original
Episodes: 51
Status: Finished Airing
Aired: Apr 3, 1991 to Mar 25, 1992
Broadcast: Wednesdays at 18:00 (JST)
Duration: 23 min per ep
Rating: G - All Ages
Studios: Sunrise
Producers: Toshiba EMI
Licensors: Anime Midstream
Genres: Adventure, Sci-Fi
Themes: Mecha, School

Suddenly, an evil empire, Jaaku, raids the Earth. But the light appears from the Earth, and fights against Jaaku. It is Raijin Oh operated by Eldran. Eldran has protected the earth since the ancient ages. But he was injured during the fight, and Raijin-Oh falls to the ground. On the other hand, Jaaku scatters their weapons, Aku-Darmer, all over the world.
Meanwhile, in Youshou elementary school, they have extra lessons in the 3rd class of the 5th grade. Eldran leaves Raijin Medal to them and asks them to save the Earth for him, and then he disappeared. In this way, the Earth Defense Agency consisted of elementary students is founded.

(Source: AnimeNfo)