Ep. 77: Yuga y sus amigos investigan una emisión de energía en el sótano de la oficina de Goha.

77

Following the traces of an energy output, Yuga and his friends head to the Goha office's deep underground section. When they restore a card produced by the Duel Card Manufacturer, they get what seems to be the forbidden card. When Swirly sees this eerie card, he starts acting even stranger... (Source: Yugipedia)