The Ricardos are taking a summer trip to Maine after Ricky's band is booked there, so they sublet their apartment for the summer. After the booking is canceled, the Ricardos need their apartment back, but the subtenant refuses to leave.

After Lucy buys Ricky a set of golf clubs for their anniversary, the girls regret it when he and Fred become obsessed with the game.

Ernie is still living with the Ricardos, much to their annoyance. The Ricardos and Mertzes try different schemes to get Ernie to leave on his own accord.

Lucy's mother writes to inform Lucy and Ricky that her friend's roommate's cousin's son Ernie Ford will be arriving from Tennessee to visit them in New York. To the Ricardos' surprise, Ernie has no place to stay and must sleep in their living room since he cannot afford a hotel or a trip back home.

Ricky decides to quit show business, and the Ricardos and the Mertzes decide to open up a diner. The Mertzes struggle with all the difficult cooking, while Ricky only has to be the greeter. Because of a road detour, there are few customers.

After Ricky forbids Lucy to cut her hair short in an Italian style haircut, Lucy dons a black wig at the beauty salon to try out the look. She then decides test Ricky's marital fidelity by pretending to be another woman and flirts with him. However, Ricky, having been tipped-off of Lucy's plan by the salon owner, pretends not to recognize her and flirts back.

Lucy, Ethel, and their friends from the Wednesday Afternoon Fine Arts League decide to raise money for their club by sponsoring a dance. They decide to form their own all-girl orchestra for the occasion, but they sound so terrible that Lucy convinces Ricky to give them some pointers, leading to unwanted publicity for Ricky.

Lucy's novel - a thinly disguised story of her life and the people in it - upsets Ricky, Fred, and Ethel.

After Lucy and Ethel each accidentally pledge a five-hundred dollar donation to a charity run by Lucy's rich high-school friend, they must now earn the money to pay their donation.

Ricky and his band get an offer to play in Honolulu. Lucy disguises herself an elderly mother and goes on a TV game show to try to win a trip to Honolulu for her and the Mertzes, but Ricky thwarts her fraudulent plan.

Ricky secretly hides a winning Bonus Buck worth $300 in Lucy's purse, but she gives all the money in her purse to the grocery boy! Ethel gets the winning dollar in the form of change from the grocery boy, and Lucy and Ethel fight over it, to the point of ripping it. After the Ricardos' half of the dollar gets sent to the laundromat, the gang has to rush to get it back before the 3 pm contest deadline. Lucy and Ricky end up retrieving the bill, but at a great cost- they damaged so much from rushing that the group only ends up with one dollar left! Oh, the irony!

Ricky bores everyone by overplaying the home movies he's taken with his new camera. When the gang finds out he's making a TV pilot they try to get in on the act, but they're stopped short. They decide to make their own movie.

Ricky gets fed up with Lucy buying so many new hats. They decide to see who can hold out the longest: she has to stop buying hats and he can't lose his temper.

The gang buys oil stock from new neighbors who claim to be Texas oil tycoons.

Lucy and Ricky put on a big act for a magazine writer who wants to do an article on the 'real' Ricardos. The writer spends the day with Lucy and plants seeds of doubt about Ricky's fidelity. A stunt by Ricky's publicity agent makes it looks like he is cheating on her.

It is the Ricardos' wedding anniversary, and they plan to spend it home alone. The Mertzes however, have planned a surprise anniversary party for them.

After seeing Ricky and Fred give pretty girl Eve Whitney the eye during a party, Lucy and Ethel decide to go to charm school.

While the Tropicana is closed for repainting, Ricky offers to give Lucy a week's break and take total responsibility for the care of Little Ricky.

Lucy concocts a delicious salad dressing, and Fred tells her she ought to sell it. Marketing the product as "Aunt Martha's Old Fashioned Salad Dressing," the girls manage to receive hundreds of orders. The problem: they've priced the product so cheaply that it will cost them rather than make them money.

The Ricardos and Mertzes take a marriage quiz. One question involves past romances, and Ricky makes up a story about an old girlfriend from Cuba, Carlotta Romero. When a real Cuban entertainer of the same name is performing in town, Ricky is in trouble.

After a visit to the eye doctor leaves Lucy's vision hopelessly blurred for the rest of the day, she decides to go through a jitterbug number at an audition at Ricky's club.

The girls decide they are tired of Ricky and Fred wearing the same old worn out clothes at home and decide to make some changes.

The police are looking for "Madame X," the mysterious burglar. Due to misunderstandings, Ethel suspects that Lucy is Madame X, while Lucy suspects that Ethel is the burglar.

Lucy decides that she and Ricky are going to redecorate the Mertzes' apartment.

After being embarrassed in a restaurant, Lucy takes French lessons. Then she does everything she can to get into Ricky's new French-themed show.

When Ricky and the Mertzes wager that Lucy can't go a full day without telling a lie, her husband and friends feel more than a bit stung by her unabashed honesty.

The Ricardos have decided they are not going to brag about their baby Little Ricky. That changes when Carolyn and Charlie Appleby start to brag about their own baby, Stevie.

ired of Ricky and Fred's attitude towards them, the girls demand equal rights. Ricky and Fred turn the tables on them when, out to dinner, they call for separate checks, and Ethel and Lucy, lacking any money in their purses, must wash dishes to pay for their meals.

Lucy and Ethel are going to appear on TV with their women's club, and choose to sing Cole Porter's "Friendship" together. In addition, Lucy manages to use reverse psychology to get Ricky to host the event. All is well until the two women buy the same dress for the occasion.

Lucy and Ethel buy a dress shop behind their husbands' backs, but soon find that they are not making the profits that they anticipated.

Life magazine does a picture story on Ricky, but Lucy is not in it, leaving her feeling resentful of Ricky for not letting her have a career in show business. To teach Lucy a lesson that show business is not all just glamour and stardom, Ricky tells Lucy that she will be the star in his new show at the club, and works her very hard during rehearsals, with no intention of actually using her in the show. When Fred inadvertently tells Lucy about Ricky's scheme, Lucy decides to upstage Ricky during his "Lady in Spain" number.