When an oil wildcatter discovers a huge pool of oil in Jed Clampetts’ swamp, Jed sells his land to the O.K. Oil Company for $34 million. At the urging of his cousin, Pearl, Jed moves his family to a 35 room mansion in Beverly Hills, California.

When the Clampetts arrive at their new Mansion, they are mistaken by miss Hathaway for a staff of bumbling, insubordinate, backwoods servants.

The Clampetts find that the comforts of the mansion do not always compare to the comforts of their former mountain shack. Meanwhile, Cousin Pearl is back at the cabin making eyes with the visiting oil man.

When Mr. Drysdale describes Mrs. Drysdale as being a hypochondriac, the Clampets assume she must be a drunk.

Granny prepares her special mash to help cure Mrs. Drysdale of her drinking problem while Jed follows Mr. Drysdale’s suggestion to buy “stock” by buying cows, pigs, and chickens.

The homesick Clampetts, unaware that it’s Halloween, decide to go calling on their new Beverly Hills neighbors.

Drysdale attempts another step in social renovation of the Clampetts by lending them his servants.

A private school teacher is shocked to learn that her new 5th-grade student is Jethro.

Mr. Drysdale convinces his self-absorbed stepson Sonny to date Elly May. Granny and Jed make preparations for Thanksgiving.

Sonny Drysdale decides he needs to be Pygmalion to Elly’s Galatea and remake her from a hillbilly into a woman of society, while Granny uses love charms to heat up their relationship.

Granny believes that Sonny Drysdale is going to propose to Elly May and becomes a matchmaker. Cousin Pearl tries to hurry Jethrine’s relationship with Jasper Depew.

Granny and the rest of the Clampetts start a feud with the Drysdales after Sonny breaks up with Elly May instead of marrying her.

Jed, Elly May, Jethro, and Granny take their first plane flight home for Christmas to surprise cousin Pearl, who is busy cooking up a feast to try win Mr. Brewster’s heart.

Back home for Christmas, Elly May bonds with her old animal friends, while Pearl plays the piano for the “new” movie in town to impress Mr. Brewster.

Pearl’s efforts to snag Mr. Brewster seem doomed until he makes an overly theatrical public proposal.

Jed is confronted with too many cooks and not enough vittles when he invites Pearl and Jethrine to Beverly Hills.

Trying to cool a feud between Granny and Pearl, Jed takes his family on a sightseeing tour of Beverly Hills.

Jed believes that the Drysdale’s marriage is threatened when he looks to cousin Pearl for a housekeeper while his wife is away.

The police and Elly’s animals converge on the Clampett estate when Pearl starts giving yodeling lessons.

Two of Cousin Pearl’s most ardent former suitors come to visit her in Beverly Hills.

Granny’s plan to stop Pearl’s yodeling backfires when the police she called find her illegal still.

Duke, Jed’s bloodhound, becomes matchmaker for his master and Mademoiselle Denise, a glamorous Frenchwoman who is accompanying a French poodle intended for the Drysdale’s dog.

A confidence man tries to sell Jed the Hollywood Bowl, Griffith Park, and the Hollywood Freeway.

Jed is made a bank vice president so he can compete in an interbank skeet shoot.

An authority on American history finds evidence that Jed’s ancestors preceded the Mayflower to America.

Pearl wants the family to be in High Society now that their forebears were one of the first families to come to America. Will Jed’s family become famous worldwide?

Miss Hathaway’s brilliant-but-frumpy bank protegee, Gloria, 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.

When an IRS agent gets chased away by Granny, Mr. Drysdale tell him the story of how the Clampetts came to be rich and move to Beverly Hills.

Jed and Jethro play golf with a famous baseball coach who witnesses Jethro’s pitching arm and wants to sign him up.

Denise returns for the birth of her dog’s puppies, and to see Jed for some “courtin’ and sparkin’.” Mrs. Drysdale isn’t nearly so happy when she finds the puppies share more in common with Duke the bloodhound than Claude the poodle.

Jed arranges a party to cheer up Granny, but Mr. Drysdale fears that attending with his visiting boss will reveal that he’s been lying about their sophistication.

A couple who ran into the Clampetts’ car fake injuries and sue the Clampetts to try to get rich.

Jethro needs a health certificate to graduate from the 5th grade, but he ends up at a psychiatrist.

Jethro finally gets his bill of health from the psychiatrist he visited, but Doctor Twombly really wants to talk to Granny again about her mountain remedies.

When Miss Hathaway gets sick and Mr. Drysdale has to speak at a conference, Jed decides helps out by running the bank and having Elly be his secretary.

Jethro brings home a friend, Armstrong Dueser McHugh III, who is coddled by a chauffeur who treats him as frail. The Clampetts know better, and show him a good time, friendship, and family.