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" Season 5, Volume 2 finally reveals the origins of the Upside Down. Here’s how the wormhole works, what the ...

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

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

Eleven accidentally created the Upside Down when she opened the gate in Stranger Things season 1. This happened during her ...

Stranger Things has left nearly no stone unturned with Season 5, as it's finally starting to reveal some of the series' ...

On Christmas Day, Stranger Things fans finally discovered the series-long mystery of the Upside Down, an alternate dimension ...

“Stranger Things” Season 4 not only introduced us to Henry Creel/Vecna – the series’ big bad, who has been pulling the demogorgon strings from the very beginning – but also how he came to be in a ...

Stranger Things is ending after five seasons, which means the Duffer Brothers have eight episodes left to provide answers to the mysteries of the Upside Down and offer satisfying conclusions to all ...

Stranger Things 5 got off to an explosive start, as the Upside Down’s leader made his presence felt in Hawkins, Indiana, once again. Now, Vecna wants to make his presence felt in your home, too. And ...