Set hundreds of years after the original, *Yamato 2520* follows the adventures of the eighteenth starship to bear the name and its battle against the Seiren Federation. On a planet harshly ruled by the Serien Federation, a group of Earth teenagers discovers the ancient hulk of the Earth Federation battleship Yamato. By stealing its data disk, the teens use the Serien’s automated shipyards to construct a new Yamato.