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?
Grade School Confidential - S8-E19
Bart: You are never gonna guess what I saw at Martin's party after you guys left. You know that playhouse? Well, I...
Principal Skinner: Good gravy!
Cafeteria worker: Oh, thank you. It's just brown and water.
Grade School Confidential - S8-E19
Principal Skinner: The bake sale to raise money for the car wash has been canceled, due to confusion.
Answer: I'm not sure if this is the one you're thinking of, but an episode of "Ray Bradbury Theatre," called "A Sound of Thunder," dealt with a similar matter: a group of hunters travel back in time to hunt dinosaurs, only to find things have changed when they get back because someone stepped on a butterfly.
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