He-Man and the Masters of the Universe Season 1 Episode 43
Prince Adam’s cousin, the bratty and snobbish Prince Jeremy, visits the Royal Palace, and quickly starts to annoy everyone with his rudeness and spoilt behavior. When Evil-Lyn and Tri-Clops arrive on the scene, they take advantage of Jeremy’s spoiltness to lead him into unwittingly helping them in a scheme to break into Grayskull…..
Episode Title: The Royal Cousin
Air Date: 1983-11-02