The teaser for season four of ‘Stranger Things’ is out and it features Millie Bobby Brown as Eleven. The teaser marks the return of Dr Martin Brenner, played by Matthew Modine.

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In the teaser, one could see Eleven’s fellow test subjects in Hawkins National Laboratory. It is followed by the entry of Dr Martin Brenner who greets the children in the room. Towards the end of the teaser, the camera stops at a door with the number 11 on it, and Brenner is heard asking, “Are you listening, Eleven?”

Apart from Bobby Brown, the season also features Winona Ryder, Finn Wolfhard, Noah Schnapp, Caleb McLaughlin, David Harbour, Gaten Matarazzo, Natalia Dyer and Charlie Heaton.

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The release date of season four hasn’t been announced yet by Netflix. 

The production of the new season was halted amid the COVID-19 pandemic.