“Power of Grayskull: The Definitive History of He-Man and the Masters of the Universe” aims to create the ultimate documentary on the entire He-Man franchise. This includes exploring She-Ra, the live-action film, the New Adventures of He-Man, the 200x series, and beyond. The documentary examines the toys, comics, cartoons, and films from various periods by interviewing the artists, creators, executives, and actors who brought these stories to life.