A new heroic trio leap into action to thwart a female criminal mastermind plotting mayhem from behind the seemingly respectable facade of an amusement park, with an army of villainous martial arts experts to back her up. Luckily, the heroes receive unexpected aid from a washed-up TV star. Comedy adventure sequel, starring Hulk Hogan, Loni Anderson, Jim Varney and Mathew Botuchis.

Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by evil Medusa, who wants to take over the park and hold the owners for ransom. Kids and retired TV star Dave Dragon, who made his farewell appearance at the park at the time the ninjas appeared, have to break Medusa's vicious plans.