Jed Clampett has inherited a castle in the English countryside. Jethro insists that everyone, except Granny, wear the royal raiment's of Elizabeth (the First, of course).

The Clampetts leave Beverly Hills for England to check out their new castle. They stop first in San Francisco, where Jethro, using all of his learning from his sixth-grade education, points out all of the London landmarks. (He thinks the Golden Gate Bridge is London Bridge.) On the flight over Jethro, the self-appointed Royal Taster, insists on sampling the airline's food before it's served. Once they land in England they drive around London (where everybody is driving on the wrong side of the road, much to Granny's consternation), before splitting up; Jethro to see the Queen, Granny heading to a chemist's shop to replace her medical supplies that had been impounded by Customs. Naturally the chemist doesn't understand what Granny wants and begins to quote Shakespeare's Sonnets, which makes Granny swoon. When Jethro and Elly May return they all head off for their castle. Written by Dionysius Exiguus

The Clampetts finally make it to their new castle and try to adjust to the English way of castle life, at the least the way Jethro thinks it is, based on his understanding of English myths and legends.

Granny wants to leave England until she thinks the feudal system means feuding with the neighboring castle. Once back in America Jethro decides to continue his Robin Hood ways in a local version of Sherwood Forest.

Jethro continues his life as Robin Hood in Griffin Park. He's attracted a large group of hippies who still don't realize Jethro has no idea what he's doing.

When Jethro gets his draft notice Jed decides he should pay what it costs the Army to train inductees. When Mr. Drysdale hears this he starts figuring how he can get Jethro out on a Section 8.

Jethro reports to the induction center after getting his draft notice. The Army isn't quite sure what to make of Jethro.

Elly May has a new beau and he's Mr. Universe Dave Draper but the Clampetts are concerned about his muscles. Doctor Granny is convince he is afflicted with barbell bloat and aims to cure him.

Since Granny can't plant crops in their yard, Jed thinks the solution is to buy her a plot a land somewhere else. He figures a place called Happy Acres is the best spot to buy land, not realizing it's a cemetery.

Granny's old friend Adaline Ashley comes to Beverly Hills and Mrs. Drysdale and her snooty friends mistakenly assume she is a jet setter.

Jethro thinks he wants to be a naval frogman but Granny is concerned her tonic has transformed him. Mr. Drysdale, concerned about finances, has Miss Jane distract Jethro with comics causing him to want to fly to the moon.

Jethro heads down to the Reserves HQ while wearing an ancestor's Confederate Army uniform. The Sergeant thinks he's an actor there to participate in a Civil War reenactment. Jethro runs home to tell Granny the Civil War is still on.

A movie is being made of a Civil War battle. The Clampetts don't know this, and Granny sees this as an opportunity to give the Yankees what's coming to them. The actor playing Ulysses Grant has trouble staying sober and can barely ride his horse, and when he's wounded in battle, Granny takes pity on him and takes him home to doctor him. This means liberal doses of her rheumatism medicine, and Grant and Granny discover they have something in common after all. Written by Dionysius Exiguus

Col. Blake asks the actor playing Gen. Grant to play along with Granny so that the Civil War movie can continue. Meanwhile, Jethro uses his 6th grade education to take the written test to enter the Reserves.

Jethro believes his moment for Hollywood stardom has arrived. Casting for Bachelor Sheriff Knows Best is occurring and Jethro mistakenly thinks he has been chosen.

Granny competes against Mrs. Drysdale as artists and tells Jed about her uncle the barn painter. Jed and Jethro go to an upscale gallery to buy a painting but are mistaken for gardeners. Bessie the chimp dabbles with a paintbrush.

The romance between Dash and Elly ends when she tells Dash that she's only interested in being a country girl and that Dash would have to give up living in Hollywood and live in a log cabin with her. With Dash now available Granny decides to pair him up with Ms. Jane. Written by Dionysius Exiguus

Jed is worried that Granny is working herself to death with housework and he asks Mr. Drysdale to find a housekeeper to help Granny. He finds one (based upon Mrs. Drysdale's recommendation), but she really isn't interested in doing any kind of housework. Written by Dionysius Exiguus

Jethro's latest decision in life is to open a restaurant. Mr. Drysdale is reluctant to let the Clampetts spend a penny more than they have to, so he offers to look for a suitable place to open a restaurant. He finds one, but it's little more than a condemned dump that not even a hungry trucker would stop at. Still, Jethro is thrilled, and before long, they've opened The Happy Gizzard. Written by Dionysius Exiguus

Jethro's new diner isn't attracting any customers, so after driving by all the restaurants that have the most customers Jethro realizes that they all have something in common: they all advertise as topless restaurants. Not surprisingly, the Clampetts don't really understand the concept. Written by Dionysius Exiguus

Granny wants to leave sunny California because she misses the winter season sending Mr. Drysdale into a panic. The banker enlists Miss Jane in an elaborate scheme to convince the Clampetts that a blizzard has occurred.

It's bad enough that Granny gets into a fight with Mrs. Drysdale, but when she watches a wrestling match on TV, that really gets Granny riled up. She gets so upset seeing the Beast of Boston beat up Rebecca of Donnybrook Farm that The Beast won't know what's she's in for when Granny decides to help her. Written by Dionysius Exiguus

The last televised wrestling match was such a success that the promoter wants a rematch. Granny isn't interested until Rebecca's parents visit.

Granny is worried about Miss Jane's spinster hood and convinces Jethro to ask her to marry him. Granny assures him that she will decline the proposal but Hathaway accepts leading to panic in the Clampett household.

Jethro is on to his next big idea and wants to play the violin. Jed asks Miss Jane to find a teacher and she hires Stromboli, a famed classical virtuoso. But the Clampetts want fiddle music so they find someone else.

Granny confuses a soap opera with real life and decides her doctoring can save Dr. Rex Goodbody from a terminal illness.

Granny is on the warpath concerning the chaos caused by Ellie's critters and declares either they go or she does. Mr. Drysdale is equally irritated by the expense of his wife's poodle. Jed tries to find a solution.

Granny and Jethro believe they have psychic abilities, but Granny's predictions stop coming true. With her reputation on the line, she picks a stock for Mr. Drysdale that could cost him a small fortune.

Mr. Drysdale wants to film a Super Banker commercial with the old Clampett cabin before they became wealthy. The shack's return has his wife unhappy and an accident has Granny preparing a head transplant for Mr. Drysdale.

Cousin Roy from back home comes to visit and to open up a distribution point for Mother Myrtle's Tonic. Granny isn't very keen on any competition against her own tonic.