165 | Robert McCallum (The Power of Grayskull) Posted on August 18, 2020March 7, 2023 By Sammy Younan No Comments on 165 | Robert McCallum (The Power of Grayskull) My Summer Lair host Sammy Younan interviews director Robert McCallum about his doc Power of Grayskull: The Definitive History of He-Man. My Summer Lair, Podcast