Lisa Simpson: Bart, you're my big brother. You should act like it more often. You know, protect me from the bad things in the world.
Bart Simpson: As far as nerdy little sisters go, you're the coolest.
Lisa Simpson: Thanks, Bart.
Bart Simpson: And I'm sorry I sabotaged your flag.
Lisa Simpson: I'm sorry I got us lost out here.
Bart Simpson: Oh! And I'm sorry I sawed the heads of your Malibu Stacy dolls. Okay, now you go.
Lisa Simpson: I don't think I've done anything else.
Bart Simpson: Okay, I'll go again. Remember when your bike was mangled by "gypsies"?
Lisa Simpson: Yes?
Bart Simpson: Yeah, funny story. One day I was really bored, and Dad had left a steamroller idling in the driveway...