"Required Reading" was all about the Dread Doctors.
Apparently the three-eyed man, the one with the extra right smack dab in the middle of his forehead, wrote a book all about them to help out those who might not have recalled their memories of the dreaded docs.
Except in Teen Wolf Season 5 Episode 6 reading the book brought up all kinds of memories for the pack that had nothing to do with the Dread Doctors at all, so what's the point of the book? Maybe when you watch, you'll understand a bit more.
But, it's courtesy of the docs that you finally get to meet Stiles' mother, so that seems like a fairly decent reason for the entire storyline in the first place, doesn't it? Make sure you see what's going down with the Dread Doctors and what memories are uncovered when you watch Teen Wolf online.
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Carissa Pavlica is the managing editor and a staff writer for TV Fanatic. Follow her on Twitter.