Beast Man's eyes are incorrectly colored in when he is holding Prince Adam in a bear hug, making the pupils appear to be slits.
After He-Man jumps over the detector beam in Snake Mountain, he is suddenly carrying his magic sword in his hand in the next shot.
Before Beast Man leads King Randor into Snake Mountain, he mockingly bows in front of the king. In the reverse shot, Beast Man steps into frame at the King's eye level. But then it cuts back to Beast Man bowing before the king again.
As Beast Man looks up when he is talking to the Shadow Beasts, a white, unpainted section of his neck becomes partly visible.
After being captured by the Shadow Beasts, King Randor's lips do not move when he says "Let me go."
When Beast Man and Mer-Man are celebrating in Skeletor's throne room, Mer-Man's legs appear to be dangling into the view-screen on the table.