Stranger Things season 5 will finally explain the Netflix show's biggest mystery: what the Upside Down is

Jamie Campbell Bower in Stranger Things
(Image credit: Netflix)

Stranger Things season 5 is bringing the Netflix hit to an end – and in the process, it will answer the biggest mystery about the show.

In a new interview with Variety, co-creator Ross Duffer says he and his brother Matt knew the major questions they needed to resolve in the final season were "about what the Upside Down was."

Molly Edwards
Deputy Entertainment Editor

I'm the Deputy Entertainment Editor here at GamesRadar+, covering all things film and TV for the site's Total Film and SFX sections. I previously worked on the Disney magazines team at Immediate Media, and also wrote on the CBeebies, MEGA!, and Star Wars Galaxy titles after graduating with a BA in English.

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