It isn't often that two of Les Lye's characters appear in the same scene. As the Principal deals with Lisa in detention, Mr. Schidtler is shackled to the back wall.
This is the first appearance of Marjorie Silcoff in the series.
This is the first and final appearance of Todd Corrigan in the series.
Misspelling on the classroom blackboard: "HISSTRY" (history).
Nasti whistles "Whistle While You Work."