In one shot when TrapJaw and Merman are in MerMan's sub and talking, TrapJaw's mechanical arm is on the wrong side.
This episode is one of several which make the mistake of giving Eternia just one moon instead of two.
Teela: Because the Widgets helped Jacob, he chose to stand beside them when they were in danger. Afterwards he planned to leave them because he was so used to living alone. Only after he discovered that he was really needed by the Widgets did Jacob agree to stay and be there mayor. It's important to let those around us know that we love and need them. Have you hugged your parents today?
Trapjaw: Do I look stupid?!
Mer-Man: Trapjaw, not only do you look stupid, YOU ARE STUPID!!
The He-Man Flare
The flare that the Widgets shot off to signal He-Man for assistance is similar to the Bat Signal Chief Gordon used to signal Batman when he needed help saving Gotham City from danger.