When Cleveland is having his panic attack at the "Bachelor" audition, Peter uses their belts to tie his arms down, but a few moments later he pulls Cleveland's shirt all the way off, even though his arms are still belted down.
At the ranch, when Prince Adam jumps on the donkey (after Brian refuses to ride it), he yells, "I have the power," before changing into He-Man. In the He-Man cartoons, Adam would actually say, "By the power of Grayskull!" in order to change. Only after he had become He-Man would he say he had the power.