He-Man and the Masters of the Universe Season 3 Episode 4 – The Tomb of Grayskull – The battle’s on between the Masters and the Mer-Man. He-Man tries to get Krass back on his side and stop Skeletor’s wicked plot to be reborn. – Stream He-Man and the Masters of the Universe Season 3 Episode 4 Online for Free – Watch He-Man and the Masters of the Universe Season 3 Full Episode 4 Free – OnionPlus Official