[s4e1] Roswell That Ends Well -

: 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

: 1947 Roswell, New Mexico. The crew doesn't just witness the Roswell Incident; they are the incident. Bender : Mistaken for the crashed UFO. Zoidberg : Captured and interrogated as the "alien." III. Thematic Analysis: The Grandfather Paradox [S4E1] Roswell That Ends Well

: 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

: The episode suggests a closed-loop timeline where Fry was always his own grandfather. [S4E1] Roswell That Ends Well