Mrs. Drysdale wants to get rid of the Clampett's before the arrival of Mrs. Smith-Standish (Rosemary DeCamp), the head of a 'first family' historical society. But Smith-Standish goes to the Clampett's first and becomes enchanted with their antiques and way of life. She also finds evidence that Jed's ancestors came to America prior to the arrival of the Mayflower. She ropes Mrs. Drysdale's into helping with chores done the old way, to Mrs. Drysdale's horror.
Because of their possible new fame, Pearl wants the family to look and act like "high society". Mrs. Drysdale continues to be forced into doing "practices from the past" by Mrs. Smith-Standish. In order to confirm Jed's ancestry, Mrs. Smith-Standish asks him the name of his great grandfather. If ...
Miss Hathaway's brilliant-but-frumpy bank protegee Gloria (Lola Albright) is really a sultry gold-digger with eyes for Jed's $34 million, and Jed's just had his annual dose of Granny's spring tonic. Pearl and Granny are a little suspicious of her. Gloria claims that she has to marry a mountain ma...
An IRS agent (John Stephenson) gets chased away by Granny. Mr. Drysdale tells him the story of how the Clampetts came to be rich and move to Beverly Hills.