UFO Robo: Gurendaizâ plot
Escaping Vega's evil forces, the young Prince Duke of planet Fleed leaves his ravaged homeland aboard the UFO Robot Grendizer, a powerful war machine, and reaches Earth. Rescued by a clever scientist and fellow Earthlings, he battles the saucers and robots sent by Vega, who plans to seize the mighty Grendizer and conquer, if not destroy, the entire universe.