The Professor's "What-If" machine simulates Bender, Leela and Fry's wishes. Bender discovers what it would be like if he were 500 feet tall, Leela discovers what it would be like if she were more impulsive, and Fry discovers what would happen if he never came to the future.
Elenco: Billy West , John DiMaggio , Katey Sagal , Billy West , Billy West , Phil LaMarr , Lauren Tom , Tress MacNeille , David Herman , Frank Welker , Maurice LaMarche , Maurice LaMarche , Billy West .