The footage of Orko's arrival on Eternia to save young Adam and Cringer in the Tar Swamp is originally from Creatures from the Tar Swamp (1983).
The footage of Orko's egg trick seen as part of a flashback is originally from Diamond Ray of Disappearance (1983).
Script was approved June 8, 1984 and final script revision took place January 28,1985.
The animation showing He-Man holding aloft his magic sword the same way Prince Adam usually does is also seen in Quest for He-man (1983), Quest for the Sword (1983) and Teela's Triumph (1985).