We all want to know why Henry Kreel, played by Jamie Campbell Bower, looks scared outside the cave where Max Mayfield and Holly Wheeler take refuge.
They appear to be trapped inside one of Henry’s early memories, with Holly in his childhood home and Max in the cave.
Fans on Reddit and TikTok have a few ideas… but they’re related to the stage play Stranger Things: The First Shadow, which we won’t spoil here.
We already know Henry killed his mother and sister, leaving his wounded father to take the blame. Henry, of course, ended up in the Hawkins Lab, where he met Eleven, who expelled him with her powers, transforming him into Vecna.
Meanwhile Holly (played by Nell Fisher), the sister of Mike and Nancy, was kidnapped by a Demogorgon from her home, where her mum tried to defend her in a bloody battle.
It remains to be seen why Holly now has a cassette tape copy of Tiffany’s 80s hit, I Think We’re Alone Now, given to her by Henry, who she called Mr Whatsit.
Netflix website Tudum explains, external this name “came from the name of Mrs Whatsit from A Wrinkle in Time, external, Madeleine L’Engle’s classic 1962 science fantasy novel”, which Holly was reading in season five.
Max, played by Sadie Sink, is still in a coma in Hawkins, having been nearly killed by Vecna.
The other kids and Joyce Byers (Winona Ryder) are all doing their best to save their friends and the citizens of Hawkins.