Henry Barton is dropping off his pregnant wife Elsie at the Shady Rest. While the baby isn't due for two weeks, Henry still wants someone to watch Elsie as he will be gone for three days. The women aren't at all worried, but Uncle Joe is quite concerned. Joe gets even more panicked when Kate tells him most babies arrive in the middle of the night. He comes up with an elaborate plan involving some of the men of the valley to get Doc Stuart to the Shady Rest if Elsie has the baby in the middle of the night. Without telling anyone, Joe has a trial run of his plan at 3am just to make sure it all goes smoothly. Everyone is quite mad at Uncle Joe. To make matters worse, Joe does it a second time. When Elsie does actually go into labor, it looks as though someone else will have to help with the delivery

Uncle Joe has formed the Hooterville Volunteer Fire Department Volunteer Band. The band is so bad that it is driving paying guests away from the hotel. Joe hoped to raise money with the band to form an actual Hooterville Volunteer Fire Department. An upset Joe tells Kate she should come up with a better way to raise the money. After asking for donations only raises $62, Kates decides they need professional help. Kate wants to contact Henry Phillips, who works for a company that manufacture fire equipment, and ask his help. Calling in an outsider irks Uncle Joe and he says he can get all the equipment they need for the $62 they have. Joe winds up buying a bunch of junk. Mr. Phillips arrives and after a plan gone wrong by Joe, Kate finds a way to have Mr. Phillips get them what they need. Another plan of Joe's goes wrong and the Hooterville train station winds up burning down.

The girls are upset that they don't have a telephone at the hotel. They can't communicate with their friends and are social outcasts. Kate says it would cost $800 for the telephone company to install two miles of line just to get to the hotel. The girls have to get their calls at Drucker's Store and it's starting to disrupt his business. Sam refuses to take any more calls for them. Uncle Joe decides to start his own telephone company. He plans on using the barbed wire fencing surrounding all the local farms as the primary communication lines. He also plans to tap illegally into the Hooterville Telephone Company's line, but Sam doesn't let him. Joe comes up with a really complicated alternative. It's not long before the whole plan falls apart.

O'Donnel's, a new supermarket, has just opened in Pixley. Sam hasn't had a customer since it opened. Even Uncle Joe goes to O'Donnel's to check it out. While there, Joe manages to annoy Mr. O'Donnel. Kate and the girls are still loyal customers of Sam's. Sam starts to have anxiety attacks and doesn't recognize Kate and Betty Joe. Kate and Doc Stuart convince Sam to take a two week vacation. Kate and the girls agree to look after the store for him. They decide to reorganize the store. Kate briefly leaves Joe in charge of the store and he puts in an overly large grocery order. This could cause irreparable damage to both the store's financial health and Sam and Kate's sanity.

Uncle Joe answers the ad of Dr. Mathew Bailey. Dr. Bailey is looking for office space in return for free medical service. Kate doesn't think it's a good idea, especially with everyone in Hooterville going to see Doc Stuart. But once the girls get a look at the young and handsome Dr. Bailey, there is no way they're going to let Kate let him get away. So they open up an office for Dr. Bailey adjacent to the hotel lobby. But Kate is right, there is no business for Dr. Bailey as many locals see him as too young and inexperienced. The girls and Uncle Joe go on a marketing spree to round up patients, to no avail. Doc Stuart unwittingly gives Kate an idea to boost Doc Bailey's clientèle. Kate's plan takes an unexpected turn. Elsie Baker appears as a townswoman.

Bobbie Jo and Betty Jo are entering contests where they are required to send in food can and box top labels. This leaves much of Kate's pantry left with unlabeled cans and boxes. Bobbie Jo manages to win the contest sponsored by Gibney's Old English Tomato Sauce, with first prize being a traditional English butler for one month. Unannounced, their new butler, Faversham, arrives on their doorstep. Kate tries, but she just can't get used to giving up control of the chores around the hotel. Uncle Joe turns the hotel into a bit of old London and puts an add in the paper. He also wants to organize a fox hunt, but things don't turn out as planned.

High-schooler Betty Jo is on the verge of breaking up with her latest boyfriend Edward. He believes Betty Jo is intellectually immature. The problem is that she now has no date for Saturday night's basketball game. Betty Jo meets an older college boy named Chuck, who is visiting relatives in Hooterville. Chuck believes Betty Jo is an intellectual Emily Dickinson College girl, which she doesn't correct. In an effort to impress Chuck on their upcoming date, Betty Jo tries to be what she believes a college girl should be. But in the end, she finds she's better off with Edward. Meanwhile, Uncle Joe is collecting loose pieces of string to roll into one really big ball.

Uncle Joe is excited about a new capital works project for the valley. The plan is to dam up Bleeker Creek which will create a new lake in the area. Kate points out to Uncle Joe that the location of the new lake does not mean that the hotel will be lake front property, but rather be under water in the middle of the lake. When she sees how this project will devastate her and the Cannonball, she knows Homer Bedloe is behind it. Kate needs to collect two hundred signatures for a restraining order petition. When Kate comes up two signatures short, Mr. Fletcher the Commissioner of Conservation, says nothing will stop them from putting in the lake. Uncle Joe's dog winds up saving the Shady Rest.

Note: This episode is the last one where Gunilla Hutton plays Billie Jo.

Steve's plane is still sitting damaged where it crashed near the railroad tracks by the hotel. Henry Sharp, from the finance company, comes by because Steve has missed a payment. Steve has barely enough money to repair the plane let alone make his regular payments. Trying to get Sharp to give Steve some time fail. Steve decides to cut corners in repairing the plane. Kate, the girls and Uncle Joe try to help him raise some money, which ends up not being easy. Sunday at church, Reverend Jones enjoyed Steve's singing so much, he starts a contribution drive. They raise enough money to fix the plane and Steve decides to stay in the valley.

Kate sees Steve as a possible future son-in-law. She believes his life as a pilot is too dangerous and she would like to see him get a different job. When she learns that Steve has a journalism background, she convinces Sam to turn over the running of the Hooterville World Guardian to Steve. With no crop dusting work to be had in the valley, Steve accepts the offer. This move doesn't sit well with Uncle Joe, president of the Carson-Elliott crop dusting empire. Joe goes on a quest for crop dusting business from their valley neighbors. With no bugs infesting the crops, Joe manufactures some business with the help of some plastic bugs. Kate finds out and reprimands Joe, but things work out for Steve in the end.

The National Amateur Hour is screening for new talent, and are holding auditions through the valley's own radio Station K. The winning performer is to receive $200. Once Uncle Joe hears about the prize money, he thinks that Steve and Billie Jo should enter. Sydney Sparks, a talent agent who heard Steve and Billie Jo, wants to represent them if they win the contest. His plans are for them to go on the road as a nightclub act. The family has mixed emotions. They are happy for the potential new career, but sad to see Steve and Billie Jo possibly leave for good. Billie Jo wants to do it and sees no down side. Steve doesn't as he doesn't want to be continually on the road living out of a suitcase. Uncle Joe thinks he may have a way so that Steve and Billie Jo don't have to make the decision themselves.

Uncle Joe's barbershop quartet have entered the Winter Festival competition. One member is singing a bunch of bad notes. They soon realize that the offending member is Joe. Joe decides to step aside if they can find somebody to replace him. They quickly find Grampa Jenson to fill Joe's place. This leads to the end of Joe's friendship with Sam. Selma, the head of the Winter Festival's judging committee, asks Joe to be on the panel of judges. Her request has an ulterior motive as Henrietta has entered the contest. Selma implies that she will give the Carson-Elliott Enterprises her crop dusting business if Joe votes for Henrietta. Something Sam does at the competition repairs his and Joe's friendship

In this valentine to Kate Bradley the citizens of Hooterville pull out all the stops to welcome Kate home, including a parade with floats, songs and fireworks. But first, arguments begin about where her official welcoming celebration will take place and who will preside over such an event. Mayor Potts wants to preside over it at a downtown location. Sam wants to preside over it outside his store. Selma wants to preside over it in her garden. And Joe wants to preside over it at the Shady Rest. They all wait for Kate's three o'clock arrival in front of Sam's store. Then they read her message to Uncle Joe and realize that Joe didn't read the part that said she will be arriving in Pixley. Amid the chaotic festivities, Kate muses "There's no doubt about it, I'm home.

Betty Jo's due date is fast approaching. Everyone is excited that another baby will being born in the valley and be delivered by Doc Stuart. Steve throws everyone for a loop when he announces that he wants the baby to be born in a fancy hospital that's far away. While Betty Jo would rather stay in Hooterville, she knows that Steve only wants what's best for her. The townsfolk see Betty Jo leaving as a slight on the valley and as such they decide to snub Betty Jo and Steve. Steve reconsiders when he sees Doc Stuart in action. Meanwhile, Wendell Gibbs, the new engineer of the Cannonball, is hoping people will start calling him "Cannonball".

After Sam makes some renovations and introduces some streamlined processes to the post office, he learns from the government that they are planning on shutting down his postal substation. Uncle Joe springs into action to save the Hooterville post office from closure. The plan is to have all the valley residents mail themselves something, to show that there is a need and demand for that substation to stay open. Joe then tries to see his congressman in Washington DC with Janet and Bobbie Jo. While there Joe recites from memory the Gettysburg Address during a visit to the Lincoln Memorial, and they meet an off-camera President Richard Nixon where, as Joe later tells Sam, the president supposedly said "Joe, old buddy, call me Dick..." In the end, it turns out there was a mix-up and Hootervilles post office will stay open.

Dr. Craig mobilizes an effort to inoculate the whole valley with flu shots, but a hillbilly family with a stubborn patriarch threatens to ruin her plans.

Uncle Joe discovers that the 75th anniversary of the railroad between Hooterville & Pixley is approaching, and seeks to take control of the ceremony.