Stranger Things 2

In fall 1984, Will finds himself the target of the Upside Down as a large tentacled entity called the Mind Flayer soon terrorizes the citizens of Hawkins once again and possesses him, drawing back Joyce and Hopper along with Will's friends Mike, Dustin and Lucas, Mike's sister Nancy, Will's brother Jonathan, and Nancy's boyfriend Steve Harrington. The whole group along with Californian newcomer Max Mayfield and a missing Eleven must join forces once again to prevent the threat from increasing.