Joe is determined to find out where his friends have gone, so he challenges Masquerade to a battle. At first Joe appears to be outmatched, but Wyvern returns to give Joe assistance. The Brawlers also return, and Masquerade realizes his battle is only beginning. Dan explains everything about the Bakugan to his mother, who believes him and asks Drago to take care of him. Naga is revealed as one of the most dangerous Bakugan in the world.
Elenco: Eri Sendai , Mamiko Noto , Keiji Fujiwara , Chihiro Suzuki , Yu Kobayashi , Risa Mizuno , Ryou Hirohashi , Atsushi Ono , Ayumi Tsunematsu , Ayumi Tsunematsu , Chiharu Suzuka , Eiji Miyashita , Hideyuki Umezu , Hiroki Yasumoto , Kiyotaka Furushima , Fuyuka Ōura , Masaharu Satō , Nao Takamori , Sōichirō Hoshi , Takayuki Kondō , Yuichi Nakamura .