* AlternativeCharacterInterpretation: Miss Hathaway is a lesbian. This is helped along, obviously, by the RealLife lesbianism of ''both'' of her actresses -- Nancy Kulp (in the TV series) and Creator/LilyTomlin (in the film).
* EarWorm: [[http://www.youtube.com/watch?v=YqxALGKvRoQ&lc=G3jb7h7d2aSz1pEdrA6n-5D72BaZpfJ7fgQ7APGbLts The theme song]].
-->'''Humorist Dave Barry''': "If you surveyed a hundred typical middle-aged Americans, I bet you'd find that only two of them could tell you their blood types, but every last one of them would know the theme song from ''The Beverly Hillbillies''."
* EnsembleDarkhorse: Sonny only appeared in ten episodes, but his actor received lots of fan mail.
* VindicatedByHistory: The show remains a staple of syndicated television to this day, and still brings in decent ratings, mostly on digital subchannels dedicated to reruns of this nature.