Harlock Saga

is a six-part anime miniseries (three hours in total length) by Leiji Matsumoto. An adaptation of Der Ring des Nibelungen, it tells the story of space pirate Captain Harlock and his crew as they try to stop a man who has stolen gold from the center of the galaxy and forged it into a powerful ring. Legend tells of the Rheingold, an all-powerful metal used by the gods of Valhalla during the forging of the universe. Legend says that he who wields the Rheingold wields ultimate power over all... full article at wikipedia