[s4e1] Roswell That Ends Well Online

: 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.

: Sight gags like the cat clock and Gil's Televisions. [S4E1] Roswell That Ends Well

: The episode suggests a closed-loop timeline where Fry was always his own grandfather. : Explain the "rare" cause of time travel—a

A Satirical Deconstruction of the Roswell Incident I. Introduction [S4E1] Roswell That Ends Well