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
