One of Seinfeld’s very best episodes found the gang ditching New York City and venturing upstate for a weekend at Susan’s father’s cabin. Along the way, they stop over at a nondescript small town to visit a “Bubble Boy” on his birthday — although he turns out to be a vulgar young man (voiced by adult comedian Jon Hayman) who lives behind a plastic divider due to an unspecified medical condition.

The Bubble Boy has to be rushed to the hospital after getting into a physical fight with George over a game of Trivial Pursuit. In response to the history question “Who invaded Spain in the 8th century?,” the Bubble Boy confidently answered “The Moors.” But George claimed that he was wrong, citing the answer on the card, which clearly read “The Moops.”

Despite the fact that this was obviously a misprint, George was still defending his “Moops...