
During a championship baseball match, the three brothers hear that their grandfather in Japan is in trouble, and head out to help him, conceding the match. When they arrive in Japan, they must use all their powers to defend him against his ancient enemy, who has returned to exact revenge.

as Grandpa Mori Shintaro

as Jeffrey 'Colt' Douglas

as Samuel 'Rocky' Douglas Jr.

as Michael 'Tum Tum' Douglas

as Miyo

as Glam

as Samuel Douglas Sr.

as Jessica Shintaro-Douglas

as Vinnie

as Slam

as Koga

as Umpire

as Nurse Hino

as Darren the Bully

as Keith

as Evan

as Gerald

as Lisa DiMarino

as Night Club Manager

as Announcer

as Ticket Clerk

as First Base Umpire

as Hot Dog Vendor

as Mustangs Coach

as Shuttle Driver

as Nurse Shibuya

as Ishikawa

as Young Mori

as Young Koga

as Young Grand Master

as Ninja Master

as Miyo's Mother

as Lady in Limousine

as Chauffeur

as Jail Guard

as Koga's Henchmen

as Koga's Henchmen

as Sumo Wrestlers

as Sumo Wrestlers

as Sumo Wrestlers

as Sumo Wrestlers

as Mugger

as Ninja Masters

as Yakusas

as Ninjas

as Ninjas

as Ninjas

as Ninjas