Famous singer Pat Boone is in the neighborhood and smells Granny's cooking. He wanders into their backyard and the Clampetts befriend him, thinking he's a hill country man down on his luck.

The Drysdales now jog, so the banker can get the account of Jason Detweiler, head of a running club. The Clampetts don't understand the concept, leading to misunderstandings, then Elly and Jethro become enthusiastic.

Jethro meets Mrs. Drysdale's guru and decides he wants to be one also. Granny thinks it's all nonsense but when she tries to put a stop to it the followers find her common sense inspiring and make her the head guru.

Sam Drucker comes to Beverly Hills to visit and Granny assumes he's interested in courting her.

Granny provides Homer Cratchit with a baldness cure which makes the other employees curious about what's going on on the 5th floor. One secretary sets her sights on marrying Jed.

Mr. Drysdale hires a "troubleshooter" for the bank. His main mission is to get the Clampetts to close their business operating out of the 5th floor.

With the Clampetts established "in business" in Jethro's vacated office space, a building inspector visits to find out about their business operations on the 5th floor.

Jethro is evicted because his 50-cent allowance won't cover the rent. The other Clampetts take over the space: Granny will cut hair or pull teeth, Jed will sharpen tools and whittle things, and Elly is the pretty receptionist.

Jethro agrees to take on cousin Roy as a client but then he changes everything that made the banjo player likeable. Granny, Jed, and Ellie are dismayed but a hit record happens in spite of Jethro.

Jethro's new plan is to become a big-time talent agent, and his first action is hiring beautiful Babs and Bunny. Cousin Roy, told he has musical gifts, arrives but Jethro refuses to accept him as a client which upsets the other Clampetts.

Mr. Drysdale is sick and Dr. Granny springs into action with a chimp as a nurse. But Ellie's bear Fairchild has taken a liking to granny's "flu" remedy. During this, Mrs. Drysdale tries to impress society matron Mrs. Van Ransohoff.

Mr. Drysdale follows the Clampetts and Miss Jane to Hooterville where they are spending Christmas. He takes Ellie's bear Fairchild with him and gets himself thrown in jail in a little town. Sam Drucker shows up to help.

The Clampetts return to Hooterville to celebrate Christmas. Mr. Drysdale, convinced that Mr. Clampett intends to move all of his money to Mr. Drucker's bank, drives to Hooterville to stop him.

The Clampetts prepare to go to Hooterville for Christmas.

Jethro wants a new identity with replacement of their old truck with a modern hot rod. Granny wants to stay with the old truck. To prove how good the old truck is Granny races Jethro in his hot rod.

Mr. Drysdale casts Dash Riprock as Homer Noodleman, a potential new lover for Elly May.

The Clampetts spend Thanksgiving in Hooterville.

Jethro and Elly dress up in Bonnie and Clyde costumes and end up scaring Mr. Drysdale; to get back at them, Mr. Drysdale dresses up as a bank robber but gets caught.

Granny and the Italian chef compete to see who will cook for the family.

While Granny is away in Hooterville, Mr. Drysdale hires a gorgeous Italian cook who speaks no English.

After the Clampetts return from London, Granny gets a letter from Hooterville asking her to help with Betty Jo Elliot's baby.

In an attempt to get the Clampetts to move back to California, Mr. Drysdale tells Granny about the spirit of Lady Clementine. Her husband was murdered in the Clampett castle. Lady Clementine's ghost is going to return to seek revenge on the person who killed her husband; her little old grandmother.

While in England, Jethro falls for a young lady, but the Clampetts thinks a man wearing the kilt is the girl that Jethro has fallen for.

The Clampetts fly to London to give the Queen the deed to Canada they purchased. Waiting for an appointment with the Queen they stay at Clampett castle, where Granny is thinks they are at war with a neighboring castle.

Heading to England Jethro smuggles Ellie's turkey buzzard on the plane upsetting Mr. Drysdale and a fellow passenger. After landing they try to meet with the Queen to give her their 80 million dollars. Their butler Faversham tries to clear things up.

The Clampetts are concerned Mr. Drysdale is worrying too much about their money. When Jethro misunderstands and believes Britain's queen is broke, the family heads to their English castle to help her out.