Memories of Class 5-3 (Zettai Muteki Raijin-Oh)Zettai Muteki Raijin-Oh is a 51 episode Japanese anime television series, and the first series produced for the Eldran franchise funded by Tomy and produced by Sunrise. It aired in Japan from April 3, 1991 to March 25, 1992. The story revolves around a group of elementary school children who are given command of a mecha named Raijin-Oh and their efforts to defend the Earth from the evil Jaaku (evil) Empire.