Gintama: Mr. Ginpachi's Zany Class: Season 1, Episode 2 - ProjectFreeTV

1 - 2: People Can Change How They Look But Not Who They Are / No Matter How Old You Get, Tests Always Suck / When You Ask Someone for Advice, You Usually Know the Solution Yourself Deep Down

Ginpachi arrives at his class and sees that his students change based on what he says.