That Ends Well - [s4e1] Roswell

: The episode suggests a closed-loop timeline where Fry was always his own grandfather.

: Explain the "rare" cause of time travel—a supernova's red radiation reacting with blue radiation from a microwave—which ensures the crew can't simply travel back whenever they want.

: Note that this is the 51st episode produced (a nod to Area 51) and won the 2002 Emmy for Outstanding Animated Program . II. Plot Summary & Context [S4E1] Roswell That Ends Well

: Discuss how this "incestuous" solution creates Fry’s unique lack of a delta brain wave, a plot point that later makes him the "most important person in the universe". IV. Cultural Satire & Allusions

: President Harry S. Truman’s portrayal as an aggressive, paranoid leader. : The episode suggests a closed-loop timeline where

: The episode is dense with references to other works:

: Sight gags like the cat clock and Gil's Televisions. Cultural Satire & Allusions : President Harry S

: References to "City on the Edge of Forever" and "Little Green Men".