Great Mazinger tai Getter Robo

A powerful alien creature named Gilgilgan invades Earth from deep space. Two scientific organizations, the Science Fortress Laboratory and the Saotome Institute, confront this danger. Due to their ongoing competition, their respective mechs, Getter Robo and Great Mazinger, initially struggle against Gilgilgan's attacks and are driven back. After deciding to cooperate, the two machines launch a joint offensive.

Traduzione in corso — testo originale in inglese.