After almost 10 years, Stranger Things season 5 reveals what the Upside Down actually is – and confirms the stage show kind of gave the game away in 2023

After keeping us in the dark for almost 10 years, Stranger Things has finally revealed what the Upside Down actually is – and ...
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Stranger Things season 5 episode 6 recap and ending explained: The Upside Down's true origins

The mystery behind what the Upside Down really is finally came to an end in Stranger Things Season 5, Episode 6, and it explains a lot about this strange place.