Don't get angry is the 6th episode of Dino Girl Gauko.
Synopsis[]
Takashi and Kinpika decide to play soccer together, while Saito acts as a buzzkill towards the boys' plan. Before they're able to go and play, Mr. R3 tasks them to move a heavy box of floor wax to their classroom. So while the boys get a dolly as per Saito's suggestion, Naoko stubs her toe on the box. Before Naoko could get angry Saito stops and chastises her for getting angry. He continues to do this for the entire day and the next. While Naoko somehow manages to keep her cool, she finally loses it to save her friends from a trio of birdie bullies by transforming into Gauko again.