Lured by an invitation to celebrate their world class rankings, five of the top ten Bakugan players gather at a mysterious mansion. There they meet Masquerade & the evil Bakugan "Naga". They're put under a spell to take Dan & the other Battle Brawlers out of the picture. Meanwhile, Alice confesses that she believes that her grandfather Michael is responsible for the destruction of Vestroia. They decide to take a look around Michael's lab to find evidence of what happened to him.
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 .