Stranger Things revealed the real origin of the Upside Down, and it flips a key element of the series on its head.

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

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

The Party has made a huge mistake in their plan to defeat Vecna in Stranger Things 5---they've forgotten there's no water in ...

The Upside Down has always felt like the heart of ‘Stranger Things‘. It looks like Hawkins, but something is clearly off.

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