Character mistake: Barbara is in her office looking for the one item they need help to identify when Diana walks in. She says "OK, item number 23." She suddenly finds it saying "here it is" and reaches in the box to grab the Dreamstone. The ticket says item #24. (00:22:18 - 00:22:50)
Character mistake: Near the end while in the caves Maggie is the first to go missing, but they use the name Gwen multiple times, the actress' actual name.
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Suggested correction: Maggie Q is the actress and she plays the character Gwen Olsen.
Character mistake: Whenever a YouTube livestream by jacksepticeye is shown, his name in the URL is misspelled as "jackspecticeye," and his username is spelled with a capital J when it should be a lowercase j. (00:30:16)