Goldorak (originally UFO Robot Grendizer) is a classic 1970s Japanese animated series created by Go Nagai. It tells the story of Actarus (Duke Fleed in the Japanese version), an alien prince from the planet Euphor who escapes to Earth after his home is destroyed by the tyrannical forces of Vega, led by the Great Vega King.

On Earth, Actarus is taken in by Professor Procyon, a scientist who runs a research center. To conceal his extraterrestrial identity, Actarus works as a farmhand at a nearby ranch. However, he is always ready to defend Earth with Goldorak, a giant robot he brought from his home planet. Goldorak is a formidable weapon equipped with an impressive arsenal, including the Double Harken, Space Thunder, Spin Saucer, and more.

The episodes follow Actarus and his allies as they battle Vega's forces, who are determined to conquer Earth. The series combines thrilling robot battles with emotional depth, as Actarus grapples with his tragic past and his duty to protect his new home.