- The opening and ending sequences. For a gag series, it's amazing how creative Shaft can be with the intro and outros.
- Although very funny, you got to admit the "Super Chiri" incident was one for the said character.
- The Roaring Rampage of Rescue of Zan Episode 1, where Abiru tracks Matoi who is always with Nozomu, Harumi's athletic prowess, the more violent students go apeshit on the guards with their respective weapons complete with gratuitous amount of blood, all while Usui leisurely walks in the prison and free Nozomu from his cell.
Awesome / Sayonara, Zetsubou-Sensei