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.

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Stranger Things Season 4, Volume 2 Trailer Breakdown: One More Journey Into The Upside Down - GameSpot

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Stranger Things 4 trailer reveals new villain in Upside-down

Stranger Things Season 4 Trailer Arrives: Upside Down's Villain Revealed

Stranger Things - Polygon