Stranger Things season 4 trailer introduces a new Upside Down enemy - Polygon

Stranger Things trailer for season 4 brings back Millie Bobby Brown, the rest of the cast for a David Harbour rescue mission. Stranger Things season 4 will be released on Netflix on May 27.

Preview: 'Stranger Things' Trailer for Season 4 – “Its time” to face the new horror of the Upside Down #StrangerThings #Netflix #FocusOnNewMexico

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