When He-Man is next to Trap Jaw, pursuing the villain, just behind He-Man the cells of Teela in jail are not layered correctly, the cell covering her face should be behind her.
In the hangar in Snake Mountain, in one shot Cynda's bonnet is yellow while at all other times it is orange.
When Teela is in the lab, in one shot the linings of her boots are red instead of the usual white.
At around 18 minutes, Beast Man, Trap Jaw and Mer-Man end up on He-Man's shoulders. Beast Man is heard to say "Put me Down" but it is Mer-Man who's mouth moves.