The Moops (The Bubble Boy, Season 4, Episode 7)
Jerry and George decide to visit a fan of Jerry’s when traveling up to Susan’s father’s cabin, the only problem is he lives in a germ-free bubble.
Upon George arriving before Jerry, he begins to play Trivial Pursuit with Donald, the bubble boy, which winds up in them infuriating each other and George getting strangled by Donald. The episode ends in Jerry arriving to a crowd running after George, the man that dared to attack the bubble boy.