After Granny cuts hair off the top of Milburn Drysdale and Dr. Roy Clyburn's heads to use her hair-growing poultice on them, Clyburn tries to stop her from ever doctoring again. The Clampetts look forward to the Possum Day parade.
Grannie has everyone up at the crack of down to plow the front yard for her garden, while Mr. Drysdale, Miss Hathaway, and a stubborn mule try to stop her.
Mrs. Drysdale recommends Elly for a high-brow finishing school hoping that humiliating her will drive the Clampetts away, but Miss Hathaway convinces the school girls that Elly's country bumpkin clothing is now the height of fashion.
Cynthia Fenwick makes her filthy rich mother dress in the "Clampett Look" when they visit the Clampetts because she believes Elly is an iconic fashion maven. This only serves to reinforce the Clampett's belief that the Fenwicks are poor.
Jethro decides that he wants to go a-courtin', so after Uncle Jed gives him a little education, he finds himself a woman--who happens to be a stripper. As usual, neither she or the Clampetts actually understand what the other is really saying.
Jethro thinks he's in love with Chickadee Laverne, a stripper he met at the bank. She and the Clampetts have met and have different ideas about what an "engagement" is, while Miss Hathaway tries to avert this disaster.
The Clampetts receive an overdraft from the bank intended for the deadbeat actor J.D. 'Jake' Clampett, while he gets their statement and starts to spend their money.
When Jake Clampett tells Jed he's his cousin, he's welcomed into the home and soon has everyone but Jed thinking about and dressing for a role in their next movie.
Elly bonds with the Thanksgiving turkey so the family can't bring themselves to kill it; Mrs Drysdale hires some Indians to take a Thanksgiving picture, which puts Granny on the warpath.
Mrs. Drysdale has a garden party and 'invites' the Clampetts by mistake. They end up back by their 'cement pond' to handle the 'overflow' from Mrs. Drysdale's party. A gun shot by Granny starts the real party.
Mr. Drysdale needs investors for his real estate development project, so he enlists the Widow Fenwick, and aims to cement the deal by hitching her to Jed Clampett, who is looking to find a mother for his daughter, Elly May.
Mr. Drysdale's idea for Christmas presents are ones only fit for coastal California, like diving suits and a boat, and a television set, which Granny thinks is some kind of fancy washing machine.
Jed and Mr. Drysdale try matching Ellie with the bank's new CPA Fred Penrod (or Rod Fredpen) while Lafe continues to try to find where "Jed has his money buried".
Mr. Drysdale tries to get the Clampetts interested in deep sea fishing by sending them to Marineland. Thinking that it's a fishing hole, Granny wants to "catch the whale".
Dr Martin of the zoo keeps giving Ellie more critters than Granny can stand. While Jim Gardner (or Jim Garrrrr!) comes to sell "bug vittles" but ends up falling for Ellie.
Mr. Drysdale and Miss Jane help country musicians Lester Flatt and Earl Scruggs try to find a city woman for Jed the same way they found theirs, by holding auditions for backup singers.
It's tonic time in Beverly Hills. Granny's made a batch of tonic and sends a sample to their new neighbor, the Countess Maria. She loves it and throws a party to celebrate.
Mr. Drysdale is having a ground-breaking ceremony for a new bank building and the Clampetts think they need to pitch in to help build it. Meanwhile Mr. Drysdale's associates try to get stock market tips from Jed.
The Clampetts get a big food package from home and Mr. Drysdale's two associates, Mr. Lucus and Mr. Pendleton, think that the crawdads have something to do with the development of military reconnaissance technology.
Jed sends Elly to the Beverly Hills dress boutique he used to own (now the House of Maurice) to learn how to be a lady, where Mrs. Drysdale mistakes her for royalty.
Mr. Drysdale wants Jed to incorporate for the tax advantages. So the Clampetts take over the top floor of the Commerce Bank and start doing what they can to stimulate the economy by getting more money into the hands of more people.
Mr. Drysdale has a replica made of Jed's old cabin and sets it up in the Clampett's backyard to surprise a homesick Granny on her birthday. A coed with a sociology major thinks that they live there as the Drysdale's oppressed servants.
Mrs. Drysdale hires a demolition man to remove the Clampett's cabin. Mr. Drysdale decides to occupy the cabin so it can't be removed. The Clampetts think a "home wrecker" is breaking up the Drysdale's marriage.
Jethro's running late for his graduation ceremony despite his new watch. Mrs. Potts of Jethro's school is afraid that his attendance will jeopardize her chances for a new endowment. Skipper saves the day.