The Simpsons fans have often talked about storylines that haven't aged poorly, or episodes that are specifically reflective of a particular time and place. With the series on for so many years, it's not uncommon to see the same idea more than once, or one that wouldn't work as well today. But one concept that was shelved during the show's Golden Age was dusted off almost two decades later -- and turned out better as a result.
Source：https://www.cbr.com/simpsons-homer-barber-episode-history/
