Mac drafts the gang onto Madame Fosters bowling team to help her beat her arch-rival, Jerkhins. But when Mac gets booted off his own team, he must learn the ways of the ball from a bowling guru. Meanwhile, Bloo is the best player on Fosters team, but the other team steals him by offering him a paddleball if he wins for their team. When Mac is done with his bowling lessons by the bowling guru, he comes back to Fosters team. Will Mac be good enough to beat the other team which now has Bloo or will he mess up and lose?