The post After 9 Years, 'Stranger Things' Finally Explained the Upside Down appeared first on TheWrap. Note: This story contains spoilers for "Stranger Things" Season 5, Vol. 2 Not even Shawn Levy, an executive producer who's been with "Stranger Things" since the beginning, fully understood what the Upside Down was the first time around.

Stranger Things has been hinting at this reveal throughout Season 5. Look no further than its references to A Wrinkle in Time, which features wormhole-like tesseracts. Or how about Mr. Clarke fully teaching a class on Einstein-Rosen Bridges, aka wormholes?

Season 5 of Stranger Things has two volumes remaining, with Vol. 2 dropping Friday, Dec. 25, Christmas Day. The final volume, which serves as the series finale, arrives on Wednesday, Dec. 31, New Year's Eve. All of these episodes premiere at unusual times, compared to the previous seasons, landing on Netflix at 8 p.m. ET/5 p.m. PT .

The Duffer Brothers continue to pull their punches, clearly saving the real drama for New Years Eve’s grand finale.

Now that Frank Darabont has stepped out of retirement to direct two episodes of Stranger Things Season 5, he is sharing insights into his experience working on the acclaimed sci-fi series.

Shawshank Redempton' director Frank Darabont was happily retired—but then the Duffer brothers asked him to direct episodes in 'Stranger Things 5.'

Gaten Matarazzo dishes on 'Stranger Things' Season 5, Dustin's relationship with Steve, the funniest fan theories, and what's next after the finale.

For years, Stranger Things fans have shipped Will Byers and Mike Wheeler. In Stranger Things 4, we learn that Will is secretly in love with Mike. However, he's still yet to come out or tell Mike how he feels about him. Some people are certain that Stranger Things 5 will end with Will and Mike becoming a couple but others are less convinced.

"Season ruined," Obsidian studio design director Josh Sawyer (Pentiment, Fallout: New Vegas) declared on BlueSky alongside a clip from Stranger Things' recently released fifth season. In the video, Finn Wolfhard's Mike Wheeler expounds on the power of Dungeons & Dragons' Cleric class⁠—specifically AD&D 1st Edition's Cleric.