By day, Connor, Greg, and Amaya get ready to go to the park for Sports Day. Greg wants to be strong in the daytime. But when they got to the park, they discovered that the sports equipment was stolen. At night, Night Ninja had stolen the sports gear to make his Ninjalinos super strong. Gekko wants to get the equipment by himself. Catboy and Owlette tried to help, but Gekko wants to prove that he's super strong by defeating the Ninjalinos, and getting the sports gear by himself.