3 Ninjas Knuckle Up
It's another summer with Grandpa, and the kids – Rocky, Colt, and Tum Tum – are ready for serious ninja action. Trained by their lovable Grandpa, these young do-gooders take on a ruthless businessman whose waste management company has been illegally dumping toxic waste at an Indian reservation. Now it's up to the three ninja brothers to bring Harding and his men to justice and in doing so learn an important lesson.
Production Country:United States
Added to HBO Max:January 1, 2022