Mrs Krabappel is fired from Springfield Elementary after Bart spikes her coffee, causing her to make a drunken fool of herself. She is replaced by a cool new teacher, Mr. Vaughn, who is a quick hit with the kids. Bart, however, struggles with the guilt and considers telling Principal Skinner the truth.
Elenco: Dan Castellaneta , Julie Kavner , Nancy Cartwright , Yeardley Smith , Hank Azaria , Harry Shearer .