Stranger Things (season 3)

The actions of the show take place in 1983 in a small rural town of Hawkins, Indiana. In the local laboratory that belongs to the US Energy Department an employee disappears in a mysterious way. After a while, the calm of the quiet town is destroyed by one more disappearance of a twelve-years-old boy named Will. He played with friends and went home at a late hour riding on his bicycle through the territory of the lab. The next morning his worried mother calls the police.