Another of the many monsters being controlled by the Xilian spacemen, Hedorah was actually not deployed during the other monsters' worldwide assault, nor did he join the Xilian ships in their combined attacks on Earth. The creature was dispatched, however, when Godzilla was finally reawakened. After losing many of their other monsters, the Xilians teamed up Hedorah with Ebirah and sent them both against Godzilla, in an attempt to finally defeat the nuclear leviathan.