The man who frequently appears throughout the episode calling Peter (and later Neil) a phony is named Holden Caulfield in the credits, a reference to the character of the same name who is the protagonist of the 1951 book The Catcher in the Rye, known to use the word "phony" many times throughout the book.
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The episode title is a parody of the famous description of the shot in Lexington, Massachusetts at the very start of the American Revolution, the “the shot heard around the world”, and the assassination that sparked World War I.
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