"Masters of the Universe: Revelation" is the upcoming 2D 'adult' animated TV series, from Mattel Television and Powerhouse Animation, continuing with characters and events from the Filmation cartoon series "He-Man and the Masters of the Universe" (1983), for exclusive streaming on Netflix in 2021:

"But after a ferocious final battle forever fractures Eternia, it's up to 'Teela' to solve the mystery of the missing 'Sword of Power' in a race against time. Her journey will uncover the secrets of Grayskull at last..."
Under the direction of executive producer Lou Scheimer, the original Filmation cartoon "He-Man and the Masters Of The Universe", debuted September 5, 1983 with the episode "The Diamond Ray of Disappearance".
Running through 2 seasons, "He-Man and the Masters of the Universe", was one of the first animated series produced directly for weekday syndication, as opposed to re-runs primarily based on Saturday mornings. Totaling 130 episodes, with each season of 65 episodes stretching across 13 weeks, the series last aired "The Cold Zone", November 21, 1985.
The series is set on 'Eternia', ruled by 'King Randor' and 'Queen Marlena'. Their son, 'Prince Adam', can secretly transform into the powerful 'He-Man'...
... by holding aloft a magic sword, saying "By the power of Grayskull...I have the power...".
Prince Adam's secret identity of He-Man is known only by the 'Sorceress of Castle Grayskull', 'Duncan' aka 'Man-At-Arms', 'Orko', a floating 'Trollan' magician...
...and 'Teela', female 'Captain of the Royal Guard' and secret child of the Sorceress.
He-Man's nemesis is the evil wizard 'Skeletor'..."
Click the images to enlarge and Sneak Peek the last episode of the Filmation series, titled "The Cold Zone"...