Mom takes the four dummies, Bunji, Ma, Chi, and Daichi to the aquarium. Mom asks them to calm down on the train ride there, but they won`t listen...The four finally arrive and exit the train. They just need to board the bus. However, one leaves to go to the bathroom and another disappears. This continues so they cannot get mving...Mom finally feels at ease, seeing the boys enjoying the aquarium. Eventually she dozes off. Thinking it`s so loud, she wakes up to see...! Just when they`re ready to leave, they see the souvenior corner. Mom tastes a side dish for sake while the kids make noise...