Giant Robo: The Series (ジャイアントロボ：シリーズ) is an American anime created by Clayton East. It is based on the Manga by Mitsuteru Yokoyama.
Daisaku Kusama used to have a normal life with parents, friends, and everything. But then, after discovering that his now dead father Professor Kusama was killed by a terrorist organization known as Big Fire and the Magnificent Ten, He’s been given a memento in a size of the greatest robot on the planet Giant Robo. Since then, Daisaku has been recruited by International Police Organization and their Experts of Justice to fight the BF Group that killed his parents and threatens the peace of the planet.