Amy: The Professor can't walk all the way to the Bronx. How are we gonna get there without a hover-car?
Fry: Wait! In my time we had a way of moving things long distances without hovering.
Fry: It was called... let me think. It was really famous - Ruth Gordon had one. The wheel!
Leela: Never heard of it.
Farnsworth: Show us this "the wheel".