Gintama: Mr. Ginpachi's Zany Class: Temporada 1, Episódio 3
1 - 3: When the Quiet Kid Cracks a Joke, It's Hard to React, but You Can't Ignore It, so All You Can Do Is Laugh
Sakata Ginpachi, Class 3-Z's eccentric homeroom teacher, tries to guide his equally eccentric students!