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.
Grandpa
Colt
Rocky
Tum Tum
Miyo
Glam
Sam
Jessica
Vinnie
Slam
Koga
Umpire
Nurse Hino
Darren
Keith
Evan
Gerald
Lisa DiMarino
Night Club Manager
Announcer
Ticket Clerk
First Base Umpire
Hot Dog Vendor
Mustangs Coach
Shuttle Driver
Nurse Shibuya
Ishikawa
Young Mori
Young Koga
Young Grand Master
Ninja Master
Miyo's Mother
Lady in Limousine
Chauffeur
Jail Guard
Koga's Henchmen
Koga's Henchmen
Sumo Wrestlers
Sumo Wrestlers
Sumo Wrestlers
Sumo Wrestlers
Mugger
Ninja Masters
Yakusa
Ninjas
Ninjas
Ninjas
Ninjas
