Lady Edwina from Creatures from the Tar Swamp (1983) can be spotted in the audience at Man-E-Faces performance in the final scene.
The animated sequence of Beast Man throwing a grappling iron at the jaw bridge of Castle Grayskull is reused from Diamond Ray of Disappearance (1983).
The animated sequence of He-Man's deflection of a blast and Skeletor's ducking it is reused from Diamond Ray of Disappearance (1983).
Script was approved April 27, 1983 and final script revision took place April 29, 1983.