The Simpsons and earlier Simpsons

The Simpsons characters haven’t changed much in their 25-year run on TV, but older fans may remember, the earliest versions of Homer, Marge, Bart, Lis and Maggie look a lot different… and less polished.

In this year’s Simpsons Halloween special, the cartoon family will come face-to-face with their earlier counterparts. According to Yahoo, the early versions we’ll see on the special were The Simpsons who appeared in shorts on The Tracy Ullman Show, before the family got their own show. The voice actors were the same, but the characters look much different … as you can see.

The episode, titled “Treehouse of Horror” episode, airs on Fox on October 19