Great Dangaioh

Hyper Combat Giant Great Dangaioh (破邪巨星G弾劾凰( グレートダンガイオー), Haja Kyosei Gurēto Dangaiō) is a Japanese mecha anime series produced by AIC as the sequel to the 1987 OVA Hyper Combat Unit Dangaioh. It aired on TV Asahi in Japan from April 5, 2001 to July 5, 2001, while the anime is licensed by Viz Media.

Plot
Somewhere in Japan, a bright light suddenly blasted from the ground. The light in a blink destroyed everything within a hundred-mile radius. Massive confusion about the what caused the light, but the truth remained hidden and eventually blurred from people's memories. Only a little girl named Miya is the only one that knows what the light is.

Ten years later, an army of giant robots calling themselves "EX Tartaro" suddenly appear and devastates the Earth to "purify the world". But three battle robots each piloted by its 3 members, the Dangaioh defeated the enemy with ease, even when the battle escalates as bother forces combine their robots. The Dangaioh was built to prepare for combating the outer space threat from a pirate called "Bunker". But the projects's founders Dr. Katou and Yonamine had a big dispute, leading to Dr. Katou's betrayal and the secret underground organization the EX Tartaro belongs to. Now its up to Dr. Yonamine, the Dangaioh team and the Dangaiohitself to face against Dr. Katou and his robotic troops.