Surprised to see no one talking about it. This is a new show by The Duffer Brothers (who directed an indie thriller Hidden, and wrote a couple of episodes of the first season of Wayward Pines) on Netflix. It starts Winona Ryder, David Harbour (who's everywhere these days ^^), Matthew Modine and a bunch of wonderful kid actors y'all be hearing about soon enough.
It's set in the 80's, and basically, it's a mashup of everything you love if you're into that stuff, meaning it has elements of sci-fi mode Spielberg, ala E.T, Super 8, Stephen King, you got a group of kids, one of them disappearing