Otto: Hey landlord, some clown changed my locks, padlocked the door, and put up an eviction notice.
Landlord: Yeah, that was me.
Otto: You!? But why?
Landlord: Because you haven't paid your rent.
Otto: Well, can I at least get my stuff?
Landlord: All I found in there was a jar of mustard, and a couple of old cycle magazines.
Otto: Wow! I have mustard!?
Moe: Flaming Moe's.
Bart: Uh, yes, I'm looking for a friend of mine. Last name: Jass. First name: Hugh.
Moe: Uh, hold on, I'll check. Uh, Hugh Jass. Somebody check the men's room for a Hugh Jass.
Hugh Jass: I'm Hugh Jass.
Moe: Telephone.
Hugh Jass: Hello, this is Hugh Jass.
Bart: Uh, hi.
Hugh Jass: Who's this?
Bart: Bart Simpson.
Hugh Jass: Well what can I do for you, Bart?
Bart: Uh, look. I'll level with you, mister. This is a crank call that sorta backfired, and I'd like to bail out right now.
Hugh Jass: Alright, better luck next time [hangs up]. What a nice young man.
Barney: And I say England's greatest Prime Minister was Lord Palmerston.
Wade Boggs: Pitt the Elder.
Barney: Lord Palmerston!
Wade Boggs: Pitt the Elder!
Barney: OK, you asked for it, Boggs! [Punches him out.]
Moe: Yeah, that's showing him, Barney! Pitt the Elder.
Barney: Lord Palmerston! [Punches Moe out.]
Bart's Friend Falls in Love - S3-E23
Milhouse: Bart, I don't want you to see me cry.
Bart: Oh, come on, I've seen you cry a million times. You cry when you scrape your knee. You cry when they're out of chocolate milk. You cry when you're doing long division and you have a remainder left over.
Brother Can You Spare Two Dimes? - S3-E24
Mr. Burns: Before you begin, let me make one thing clear to you. I want your legal advice, I even pay for it. But to me you're all vipers. You live on personal injury, you live on divorces, you live on pain and misery. But I'm rambling. Anybody want any coffee?
Lawyer: I'll have some coffee.
Mr. Burns: Want it black, don't you? Black like your heart. It's so hard for me to listen to you, I HATE YOU ALL SO MUCH.
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