The Stranger Things 4 teaser has already sparked some major theories - PopBuzz

The new Stranger Things teaser has inspired fan theories ranging from time travel to Hopper being in the Upside Down in season 4.

Stranger Things (season 4) - Wikipedia

This 'Stranger Things 4' theory is sort of mind-blowing - Entertainment

This Is What Will Happen In Stranger Things Season 4

This might've been discussed already, but connection between 008 and 001: : r/StrangerThings

Stranger Things season 4: Release date, spoilers, cast, news and everything we know - PopBuzz

Stranger Things season 4: All the best fan theories from Reddit so far

27 Details in 'Stranger Things 4' You Might Have Missed

Stranger Things (season 4) - Wikipedia

Here Are All The Stranger Things 3 Details And Theories You May Have Missed In The Trailer

Did you catch all these clues in the Stranger Things S4 trailer?

Netflix – C. Militar Writes

Stranger Things 4: Is Eleven's real dad 001/Henry Creel? The theory explained - PopBuzz

Here Are All The Stranger Things 3 Details And Theories You May Have Missed In The Trailer

Stranger Things, Latest Season 4 News, Spoilers, Cast Updates & Episodes