'Stranger Things' is created, written and directed by the Duffer Brothers. It is a Netflix sci-fi drama set in the 1980s that follows the mysterious goings-on of the town of a fictional rural town of Hawkins, Indiana. The first season, released in July 2016, stars Winona Ryder, David Harbour, Finn Wolfhard, Millie Bobby Brown, Gaten Matarazzo, Caleb McLaughlin, Natalia Dyer, Charlie Heaton, Cara Buono and Matthew Modine, with Noah Schnapp and Joe Keery in recurring roles. For the second season, Schnapp and Keery were promoted to series regulars, along with the additions of Sadie Sink, Dacre Montgomery, Sean Astin and Paul Reiser. Season three began production in April 2018 and will consist of eight episodes. It's expected to be released in mid-2019.