1. Tyler is the monster.
One of the things I said we learned back in episode four was that the monster was a student at Nevermore. Following the revelation that Tyler is the monster, this conclusion was obviously wrong. I noted that Wednesday bumped into Tyler right before her vision of the monster attacking Eugene, but I never revisited this detail. I also noted that the monster’s attack on Tyler was far less deadly than any of its other attacks. I suppose everything seems obvious in hindsight. Moving forward, what will decide Tyler’s fate is whether he was conscious of his actions as the Hyde.
2. Dr. Kinbott isn’t Laurel Gates.
This was another theory that was disproven in this episode after it had been looking like Dr. Kinbott was certainly going to be revealed as Laurel Gates. Again, in hindsight, this was just too obvious to actually be true. Ultimately, this leaves us with Thornhill as the only other reasonable suspect, unless we get a cheap swerve that reveals some new character as Laurel. That seems unlikely, and there really aren’t any other characters that meet the age profile of Laurel besides Thornhill. She has been acting weird as well, but correlation isn’t causation, so we’ll just have to wait and see.
3. Wednesday is out of lives.
Wednesday was given her final chance by Weems and the sheriff in the previous episode, and she used that chance to put together a solid case for Xavier as the monster and Dr. Kinbott as Laurel. Now she has to go back and admit that she was wrong. She has to somehow justify framing Xavier to Weems, and then she has to tell the sheriff that his son is the actual monster. At this point, Wednesday’s credibility is so damaged that it’s hard to imagine that anyone will take kindly to her new theory.