Grade School Confidential - S8-E19
Maude Flanders: Excuse me, Edna. I don't think we're talking about love here. We are talking about S-E-X in front of the C-H-I-L-D-R-E-N!
Krusty: Sex Cauldron? I thought they closed that place down?
Simpsoncalifragilisticexpiala(Annoyed Grunt)cious - S8-E13
Deliberate mistake: During the final musical number, just after Marge sings "I'm going bald from stress," the family sings "But we're happy just the way we are," but Homer's mouth doesn't move, because the producers forgot to record Dan Castellaneta's lines.