When We First Met the 'Stranger Things' Kids

12 View Slideshow ⟶
Stranger Things cast s2 premiere
Jon Kopaloff/FilmMagic

Look, we know it's only been three years since Stranger Things burst into the pop culture ether in 2016, but it's pretty crazy just how much the kids of the Netflix hit have grown up since then! Click through the gallery to take a look back before season three premieres on July 4.