Warning: This article contains spoilers for Stranger Things season 4, vol 1.
Stranger Things 4 pulled off one of its biggest and best twists, and as always, the Duffer Brothers signposted some clues before the big reveal. Across the first 7 episodes, three different narratives were introduced that eventually all tied together in a masterful exhibition of storytelling. The Creel's experience with a 'demon', Vecna's Curse, and Eleven's unearthed memories from the Hawkins Lab combined in a genius way. It revealed that the main villain of season 4 turned out to have been forged right in the Hawkins Lab, beginning his existence as Henry Creel, Victor's son, and going on to become Doctor Brenner's Number One.
A big Stranger Things question finally answered was El's escape from Hawkins Lab, which has been a mystery ever since the pilot episode in 2016. Not only that, but the Lab itself has largely been a mystery, as its covertly unethical practices haven't yet been explored in all their brutal reality, and it was unclear what began it all. Brenner is an ethically grey man at best, and pure evil at worst. Taking children from their mothers to experiment on them in tortuous ways means that Stranger Things must have merely scratched the surface of what went on in the Lab. However, audiences now at least know where it all started; Number One.
Related: Stranger Things 4 Confirmed The Biggest Theory (But Wasted It)
Number One began life as Henry Creel, the son of Virginia and Victor Creel, and was imbued with strong telepathic powers from a young age. After murdering his family, he slipped into a coma where he was finally taken by Brenner, who had learned of his suspected gifts from his mother. Brenner, unable to control One's unruly
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