When does Stranger Things return?

Stranger Things is an American science fiction horror drama television series created by the Duffer Brothers. Set in the 1980s, the series centers around the residents of the fictional small town of Hawkins, Indiana, as they are plagued by a hostile alternate dimension known as the Upside Down. The first season was released on Netflix on July 15, 2016. The ensemble cast includes Winona Ryder, David Harbour, Finn Wolfhard, Millie Bobby Brown, Gaten Matarazzo, Caleb McLaughlin, Noah Schnapp, Sadie Sink, Joe Keery, Dacre Montgomery, Sean Astin, Paul Reiser, Maya Hawke, Priah Ferguson and Brett Gelman.