When Ron is assigned to write about his hero for English class and is told he can't write about Kim, he's at a loss! However, when he and Kim go up against the Mathter who uses his Calculaser to divide Ron in two, a positive Ron and an negative "anti" Ron. Now it's all up to Ron's dad to save the day with his math skills and show ron that he has a hero close to home.

After discovering baby Hana walking on the ceiling, Kim and Ron try to get to the bottom of her secrets. Soon, they are called by Master Sensei and Yori, who ask them to help stop Monkey Fist, who has found a new ally in Yono the Destroyer as he continues his search for the secret weapon.