The final installments of "Stranger Things" are set to hit Netflix in three different episode drops later this year, marking an end to a nearly decade-long saga that transformed the lives of all of its young stars. Fans of the show have seen its child cast grow up in front of our eyes, and at this point, rewatching season 1 feels a bit like stepping into a time machine — to both the '80s and the 2010s.

While season 1's wide-eyed Millie Bobby Brown-Bongiovi, high-pitched Caleb McLaughlin, and baby-faced Gaten Matarazzo have been the subject of countless "before and after" photo comparisons along with their fellow kid cast members, several "Stranger Things" stars actually got their Hollywood starts before being cast in the massive Netflix series. Finn Wolfhard was in an episode of "Sup

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