: The episode suggests a closed-loop timeline where Fry was always his own grandfather.
: 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
Determinism and the Grandfather Paradox
: 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.
: Unlike other sci-fi where characters must avoid their ancestors, Fry accidentally kills his "grandfather" Enos.
: 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