So what are you waiting for? Hop in. Hop in what? Look a...
(On the way to school, Otto stops the bus and offers Metallica a ride; their tour bus has broken down.)
Otto: So what are you waiting for? Hop in.
James Hetfield: (Chuckles) Hop in what?
(The school bus peels away with Bart at the wheel.)
Bart: Look at me, I'm Otto! I'm a hundred years old and I drive a school bus!
Otto: Oh, man. Maybe me and Metallica can go splitsies on a cab.
(Hans Moleman slowly drives by in a pickup truck, with Metallica and their gear in the bed of the truck.)
Kirk Hammett: Hey, loser, we got a ride from a real fan!
Hans Moleman: I used to sleep with Lars' grandmother.
Robert Trujillo: Never listen to our music again!
(Hans Moleman pulls away as Metallica plays an instrumental from the song, "Master of Puppets.")