- HD 1080
- Runtime: 93m.
- Status: Released
- 1
- Languages: en
- Country: United States of America
- Director: Sean McNamara
- Stars: Victor Wong, Mathew Botuchis, Hulk Hogan, Loni Anderson, Jim Varney
- keywords: martial arts, hero, sibling relationship, hostage, rivalry, family, escapade, save the day, young heroes, eccentric family, vigilantism, heroic mission, buddies, daring rescue, master villain
- Production_studio: Leeds/Ben-Ami Productions, TriStar Pictures, Sheen Productions
- Slogan: Saving the day the ninja way!
- The 3 Ninjas: High Noon at Mega Mountain is featured in the top rankings of 1998
- #31 in Top Family Movies of 1998
- #80 in Top Action Movies of 1998
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.