Lucy becomes involved in community affairs and almost gets expelled from the neighborhood.

Lucy gets involved in a flower show and starts raising tulips.

The Ricardos and Mertzes go to war over chicken-raising and PTA meetings.

Lucy's new neighbor, Betty Ramsey, talks Lucy into buying all new furniture, and it all ends up costing over three thousand dollars. When Ricky finds out, he demands that Lucy return it. However, she is too embarrassed to admit to Betty that they cannot afford the new furniture, which leads Betty to assume that Lucy thinks that she has bad taste. Eventually, the Mertzes arrive and help clear up the misunderstanding, and Betty's husband Ralph gives Ricky a job on a television show that pays thirty-five hundred dollars, which will be enough to pay for furniture.

The Ricardos move into their new home in Connecticut. While Little Ricky is at a sleepover, Lucy and Ricky decide to take the train to New York to surprise the Mertzes. But Fred and Ethel have the same idea, and are on their way to Connecticut.

The Mertzes rent the Ricardo's apartment to a young newlywed couple named Mr. and Mrs. Taylor. Lucy and Ricky decide to sell their furniture to the Taylors, but when Lucy finds out that the Taylors plan to make alterations the furniture, she buys all of it back from them. Then when the Ricardos find out that the Connecticut house's title search has been delayed for two weeks, they find themselves, and all their belongings, living with the Mertzes while they wait to move into their new home.

Fed up with city life, Lucy yearns for the suburban life. Ricky buys an old Colonial house in suburban Westport, Connecticut as a surprise for their anniversary.

Little Ricky's new puppy prompts complaints by a grouchy new tenant.

Lucy promises to produce Superman ([[George Reeves]) for Little Ricky's fifth birthday party, but must make alternate plans when he is unable to attend. She hastily tries to impersonate Superman, but gets locked out on the balcony with the pigeons.

After Ricky makes fun of Lucy's new hat, she puts on a trophy that Ricky is supposed to present at a ceremony. She finds out it goes on a lot easier than it comes off.

Lucy, Ricky, Fred and Ethel reminisce (via flashbacks of previous episodes) as they trim the tree on Christmas Eve. The flashbacks were all from season 2, include Lucy telling Ricky about her pregnancy in Lucy Is Enceinte, Lucy, Ricky, Fred and Ethel singing in a barbershop quartet in Lucy's Showbiz Swan Song, and Ricky, Fred and Ethel franctically preparing for Lucy's impending labor in Lucy Goes to the Hospital.

Back in New York, the Ricardos and the Mertzes sign on as extra cast members in Little Ricky's school play, "The Enchanted Forest".

Lucy is bent on impressing Ricky's family when they leave Florida and visit Havana, Cuba, but she cannot seem to say or do anything right.

Still in Miami, Lucy and Ethel's scheme to prevent the boys from judging a bathing beauty contest leaves the Ricardos and the Mertzes marooned on a desert island.

While in Miami, the boys bet the girls that they will catch bigger fish on a planned deep-sea fishing trip. To win the bet, the men and the women each buy large tunas to pass off as their catch. The only problem is hiding the fish from their spouses.

Driving to Miami to meet their husbands after Ricky's band is booked in Florida, the girls share the drive with a strange lady (Elsa Lanchester) they suspect is an ax murderess.

Lucy tries to reunite a Venetian gondolier with his brother who lives in America.

A case of stage fright hits Little Ricky as he is about to perform.

Orson Welles asks Lucy to assist in his magic act.

Little Ricky's non-stop drum playing threatens the Ricardos' and Mertzes' friendship.

Sighting Bob Hope at Yankee Stadium, Lucy hopes to persuade him to appear at Ricky's club (now named Club Babalú) unaware that Hope has already agreed to appear. She ends up joining Hope and Ricky in performing at Club Babalú. 

Richard Keith makes his first appearance as Little Ricky, who is now depicted as four years old.