Gypsy: For, you see, you are a were-car.
Bender: A were-car?
Gypsy: The car that ran you down on the moors was also a were-car. It beamed a virus to you through its demonic headlights.
Leela: That's crazy!
Gypsy: Yes. So crazy that it must be true! Each midnight, when your clock resets to zero, your hardware reconfigures into a murderous, four-wheeled car.
Bender: I can't keep running people over. I'm not famous enough to get away with it.