Three young ninja brothers find themselves on a treasure-hunting adventure when they discover a map during their vacation. Along the way, they face various challenges and enemies, showcasing their martial arts skills.

Three young brothers, Rocky, Colt and Tum Tum, learn martial arts from their grandfather and use their skills to rescue him when he is kidnapped by criminals.

When an amusement park is taken over by a villainous terrorist, three young ninjas must use their martial arts skills to save the day.

In '3 Ninjas Knuckle Up,' three young ninjas team up with their Native American friend to take on an evil tycoon and his henchmen. With their martial arts skills and determination, they must fight to save their friend and his reservation from destruction.