This was a perfect episode that dares to asks the dangerous, treacherous, risky, terrifying question: What if? I recommend this episode (Anthology of Interest I) to anyone who likes Futurama, and of course, anyone who has time to sit down and watch it.
Professor Farnsworth used his new Thing-Longer to access his What-If machine.
Fry's Question: What would happen if he didn't come to the future?
What Happens: Fry is visited by Al Gore, Stephen Hawking, Gary Gygax, and Nichelle Nichols when he opens a rip in the space-time continuum.
Leela's Question: What would happen if she were more impulsive?
What Happens: She kills everyone and ends up having sex with Fry.
Bender's Question: What would happen if he were giant?
What Happens: He dies.