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When the Simpsons get cable for doing a survey, their results make the town turn into the family with hilarious results.
Gil comes by and wants the Simpsons to do a survey in exchange for free cable, the catch is that the Simpsons' viewing habits will be monitored for Nielsen ratings. The amount of shows the family watch impresses the Nielsen people including Lindsay Naegle so they manage to finagle the whole town of Springfield to be like them. Mr Burns and Smithers dress up like Homer, Helen Lovejoy and crew dress like Marge, Milhouse copies Bart and the twins Sheeri and Terri dress like Lisa, and then we see a lot of the Springfieldians in a 2 page spread dress up like every member of the family with only 3- Grampa, Rod and Todd like Maggie.
Lisa feels disgusted by this especially with protestors dressing like her, so she tries to get the town to be unique, Comic Book Guy disputes this saying she should talk. Lisa convinces the family to change their look but the execs see that and spread the word about the trends. The Simpsons try to change their look to spots and to bodysuits but the town follows suit, proving that Springfield residents are like sheep. The family gives up and change their look back to normal and then Lindsay and the other guy try to convince the head of the Neilsen ratings group about the fashion retro trends. However, the head tells them that the SImpsons don't have TV preferences, they'll watch everything, so the word spreads about the Simpsons not being gods and then with all the Simpson clothes remaindered (Marge's green dress, Homer's white shirt and blue pants, Lisa's red dress, Bart's red shirt and shorts and even Maggie's Sweet Pea dress) the Simpsons don't need to buy new clothes and Matt Groening explains why the Simpsons never changes clothes.