Power of Grayskull: The Definitive History of He-Man and the Masters of the Universe ★★½

One for nerds only. As a documentary, it’s perfunctory at best, and it doesn’t add anything new to the story if you’ve already read all the articles and whatnot that it’s presumably based on. But if you haven’t been privy to those, and have any interested in the subject, it’s worth a watch.