Professor Orion's character model was used earlier as Prime Minister Pangas in Song of Celice (1983).
The Evil Warrior's vehicle, the Doom-buster, was previously mentioned in Disappearing Act (1983) and Double Edged Sword (1983), but was not seen until now.
During the moral segment, Ram Man and Man-E-Faces are standing in front of the underwater cavern backgrounds previously seen in Search for the VHO (1983) and City Beneath the Sea (1983).
The character model for King Barbo was recolored and reused as King Tamusk in The Time Wheel (1985).
The animated sequence of Whiplash turning and snapping his tail was previously used in Betrayal of Stratos (1984).