Watch the dark, final trailer for 'Stranger Things' Season 3

It's not going to be a regular summer for the Stranger Things kids. The final trailer for the third season of the series has just dropped, taking a noticeably darker turn than previous teasers, which had Billy commanding the public pool as a lifeguard and Steve serving up ice cream. "You let us in, and now, you are going to have to let us stay," a mysterious voice can be heard in the new trailerStranger Things Season 3 hits Netflix on July 4. Read more... More about Entertainment, Tv, Netflix, Stranger Things, and Stranger Things Season 3