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

We finally know what the Upside Down really is in Stranger Things — get details on the major reveal in Season 5, Volume 2.

This Stranger Things season 5 episode 7 recap explores how the group reunites and discovers the truth about the Upside Down ...

In trying to find out more about the supposed shield generator around the Upside Down, Dustin discovers a notebook from Dr.

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

Episode 6 of Stranger Things 5 ends on a cliffhanger as Max and Holly run to their respective portals back to the real world, and the show doesn’t waste any time showing us what happens next. Episode ...

For a show built on nostalgia, Stranger Things has a knack for delivering shocks that feel anything but old-school.

The Duffers designed the Abyss using real locations in New Mexico, giving it a rough, canyon-like look. The Upside Down, ...

The mystery behind what the Upside Down really is finally came to an end in Stranger Things Season 5, Episode 6, and it ...

Long before they become famous for creating "Stranger Things," the Duffer Brothers contributed to this little-seen Fox show.

Netflix has an impressive lineup of brand-new original series premiering in the new year. Here are ten standouts to add to ...

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