Chad & Burbie previously appeared in Double Edged Sword (1983), although Chad's character model has been slightly revised. Count Marzo and Chimera return from The Once and Future Duke (1983), but Chimera has been completely redesigned.
The animation of Prince Adam firing a laser from his wrist gauntlet is reused from Dawn of Dragoon (1983).
The sequence of Count Marzo raising both his hands and firing blasts at He-Man was previously used in The Once and Future Duke (1983).
The character model for Chad can be spotted during a flashback sequence in Battlecat (1985) together with the character model for Jeremy from The Royal Cousin (1983).
Script was approved July 27, 1984 and final script revision took place September 20, 1984.