The term Stupid Ages is used by denizens of the fourth millennium to refer to Fry's time. It is not entirely clear when this era is thought to have begun or ended. Evidence of a blurring of various pre-3000 eras by 31st century humans can be found in Roswell that Ends Well, when the Professor orders "a croque-monsieur, the paella, two mutton pills and a stein of mead".