Marge vs. the Monorail - S4-E12
Mayor Quimby: Alright, I'm in charge here.
Chief Wiggum: Oh, run along Quimby. I think they're dedicating a phone booth somewhere.
Mayor Quimby: Watch it, you talking tub of donut batter.
Chief Wiggum: Hey, I got pictures of you Quimby.
Mayor Quimby: You don't scare me. That could be anyone's ass.
Marge vs. the Monorail - S4-E12
Leonard Nimoy: I'd say this vessel could do at least warp five.
Mayor Quimby: And let me say, may the Force be with you.
Leonard Nimoy: Do you even know who I am?
Mayor Quimby: I think I do. Weren't you one of the Little Rascals?
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.
Xofer