However, viewers were kept in the dark until season five's second batch of episodes, now streaming on Netflix.

Fans finally got answered about the Upside Down in Stranger Things season 5. Here's more of what we know about this world.

Stranger Things' has pulled back the curtain, finally explaining to fans the truth of what the Upside Down is after nine long ...

Volume 2 finally revealed the truth behind the Upside Down, which the creators of 'Stranger Things' confirm has been planned ...

Stranger Things: The First Shadow, the stage play and prequel story that debuted prior to season 5, provides a little hint to ...

The scene is one of several tear-jerkers in the second volume of episodes, released on Christmas Day. In addition to a ...

It's certainly satisfying to get the answers about the Upside Down that have evaded audiences for so long, but, in some ways, ...

After four-and-a-half seasons of questions prompted by “Stranger Things,” in Volume 2 of the show’s fifth and final season, ...

After keeping us in the dark for almost 10 years, Stranger Things has finally revealed what the Upside Down actually is – and ...

The creators of Stranger Things have admitted they broke one of their own rules during the latest episodes of the show. The ...

Stranger Things Season 5 does something very sneaky and very smart. It turns Season 2 of the show into the emotional and ...

Though the second part of the show's fifth season is being released Christmas night, the series finale won't be available to ...