Professor Farnsworth creates a "what if" machine that everyone asks questions to and receives a video response to their question. Al Gore, Stephen Hawking, Nichelle Nichols show up to help when their "What ifs" go wrong.
It's Zoidberg's mating season. The gang accompany him to his home planet to help him find a mate. The woman he tries to woo ends up wanting Fry. The boys duel, until mating season is over, and they find out that the members of Zoidberg's species die after mating.
Bender: Oh, now I see! Now I get it. Now the pieces are falling into place: The office, the promotion, that dwarf in my book club who steals my opinions. It's all coming together now!... [Scene: Outside Robot Arms Apartments. Morgan is driven away in a taxi] Bender:... I must say, this opens my eyes. Another case closed, my dear Watson. Fry: Morgan, come back! He's stuck in a loop. Bender: For I was blind but now I see!