Meet The Quagmiresfamily Guy : Season 5 Episode 18 -

The episode includes a frame-for-frame recreation of The Jetsons opening sequence, which later ties into the plot when Jane Jetson falls from the sky into Peter’s alternate timeline .

This was the final episode directed by Dan Povenmire , who left halfway through production to create Phineas and Ferb .

The episode ends with a cameo by Roger the Alien from American Dad! , who enters the Griffin house asking for "pecan sandies" .

The "bad" alternate future includes several absurdist changes: Al Gore is President (having killed Osama bin Laden with his bare hands), flying cars run on vegetable oil, and Chevy Chase hosts The Tonight Show . Notable Trivia

The episode mirrors the film’s climax at a country club dance where Peter must punch out Quagmire and kiss Lois to restore the timeline, while his children's faces fade from a family photograph .