The principal of the kindergarten proposes an inter-class softball game, but things start to go wrong during practice when a teacher breaks a window. Shin-chan begins the baseball match by batting first. And later, he does a good fielding and gets Kawamura out of the game. A televised debate program prompts a quarrel between Misae and Hiroshi, one that escalates quickly. Can this marriage be saved? What can Shin-chan do? Later, they patch up.