Watch out! Tons of cockroaches have invaded school! Mabel knows Robozonic may have an idea or two about driving the pests away, but where is it? Unfortunately, Robozonic in the hands of her classmate, Ming Cai, who has playfully claimed it as his own. The only way Mabel can get Robozonic back is to beat Ming Cai at a soccer match. With the competition happening in a few days' time, Mabel needs to learn some moves, fast!