It just isn’t sure what, exactly. Photo: Giles Keyte/Amazon MGM Studios/Everett Collection There’s a maybe half-hour stretch of Masters of the Universe that takes place in the real world, and I have no idea why. It isn’t something the original He-Man and the Masters of the Universe cartoon felt compelled to do. The ’80s TV show, which was conceived of as an elaborate commercial for a Mattel action-figure line, was about the adventures of Adam, a brawny pageboy’d prince who transformed into the