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The Simpsons Season 21 Episode 2

The fourth grade students of Springfield Elementary School decide to spike Ms. Krabappel’s coffee in order to teach her a lesson after she takes away their cell phones. She is fired by Principal Skinner, who hires a new teacher named Zachary Vaughn. Although Vaughn is a hip young teacher who impresses the students, Bart is plagued by guilt and tries to get Ms. Krabappel hired back.

Serie: The Simpsons

Episode Title: Bart Gets a 'Z'

Air Date: 2009-10-04