Netflix announces 'Stranger Things 2'

Actors Gaten Matarazzo, left, Noah Schnapp, Caleb McLaughlin, Natalia Dyer, Millie Bobby Brown and Finn Wolfhard participate in the BUILD Speaker Series to discuss the Netflix series, "Stranger Things", at AOL Studios on Aug. 31, 2016, in New York.

Netflix has picked up "Stranger Things" for a second season.

new trailer posted Wednedsay revealed nine more chapters to come. That's one episode more than the first season.

It will pick up exactly one year later in the fall of 1984 in Hawkins, Indiana.

There will be four new characters and viewers will be heading back to the Upside Down.