GoukaiGalleon has a midair collision with a Zangyakku battleship, sending the battleship into a firey crash. GoukaiGalleon is forced to make an emergency landing as well. Before they know it, the team is under the attack of Kodou Taichou Salamandam, and the five are blown off by an eruption he causes. When they come to, they once again meet the mystery man, but who is he really?
攻撃を受け、無人島に不時着するゴーカイガレオン。敵の攻撃で森の中に吹き飛ばされたマーベラスとハカセの前に黒いローブを着た謎の青年が現れる。宇宙最大のお宝の在り処を知りたければ俺を捕まえてみな、と挑発する青年を追う2人だったが…。