Crayon Shin-chan - episode 20 - 13 Sep, 1992

After finishing his dinner, Shin-chan brushes his teeth with new toothpaste. His mother beats him for eating junk food after brushing and makes him brush his teeth again. While sleeping, Shin-chan accidentally wets his bed 3 times. He tries to cover it up each time with his parents and Shiro, but Misae finds out about what he did the next morning and scolds him. Yoshinaga-sensei trains the students to dance for sports day. As Matsuzaka and Yoshinaga go to meet the principal, Kazama takes lead, but Shin-chan does his own dance steps. (Source: Wikipedia)