Damaged by a typhoon! / I confront the girl who leads this group of bad kids! / I beat you at dodge ball!

Due to heavy rains, Misae shifts the things from the ground floor to the first floor. But she forgets to close the tap, which results in a flood. Shin-chan plays with the girls from the Saitama group. The rivals of the Saitama group find the girls immature and return. Shin-chan and his friends have a dodgeball competition with the senior students. Shin-chan and his friends win the match.