‘Stranger Things’ Fans Are Spotting Big Errors in Season 5
SPOILERS AHEAD: A number of fans have pointed out the inconsistencies in the final season of the show.

Jeff Spicer/Jeff Spicer/Getty Images
Stranger Things fans sparked social media chatter over several inconsistencies in Season 5. Fans noticed that Noah Schnapp’s character, Will, had a different age when he was taken to the Upside Down, an alternative dimension. Also, in episode 3 of the season, Will’s mother Joyce, played by Winona Ryder, says that he was 11 when he went to the supernatural world, but a missing person poster on the show showed that he was actually 12. Another flashback scene shows Will building Castle Byers with his older brother Jonathan, played by Charlie Heaton. A user noticed “the error in Will’s flashback when he & Jon are building Castle Byers & it’s sunny and all pretty.” Another fan wrote that this “makes no sense” because Jonathan said when “he and Will built Castle Byers, it was pouring rain, and they both got so soaked.” The fan also noted that the brothers’ normal behavior in the episode did not align with the storyline, since it also marked “the day their father left the house.” This is not the show’s first continuity scandal. “Birthdaygate” occurred in the second episode of Season 4, when fans noticed that Will’s family failed to mention his March 22 birthday. The Duffer brothers, the creators of the show, said they “forgot about Will’s birthday” and retroactively changed it to May 22 because it was “too mean” to imagine that everyone just forgot about him.
birthdaygate is insane because he was 12, not 11 pic.twitter.com/I1A4czvH6W
— ☆ ʎʞɔoɹ MY CHILDREN ARE HOME (@rockylovesbyler) November 28, 2025
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