Cousin Jethro (Max Baer jr) is sent to an exclusive Beverly Hills
elementary school. The principal (Eleanor Audley) is shocked when she
finds out Jethro is already a (very) grown man and therefore a bit old for
fifth grade, but plays ball when she's told how rich the Clampetts are.
back in the Clampetts' hick hometown, Jethro's sister Jethrine (Max Baer
jr again) has fallen in love with a city boy (Phil Gordon) - who's only
half her size, which is why she carries him around all the time.
very few at least mildly funny jokes, most of the hillbillies in a posh
neighbourhood variety, something that goes stale rather quickly. And
there is a limit to the times Max Baer jr in a young girl's outfit is
funny (and yet the character is used time and again throughout the series.