Now that they have Little Ricky, Lucy insists they need more room, and wants to change apartments with one of the other tenants (Mrs. Benson.) She convinces a reluctant Ricky by cluttering their apartment with baby things and assorted junk.

Lucy promised Carolyn Appleby she'd produce some real Hollywood celebrities. Now she's got to deliver. Dressing up as Clark Gable, Gary Cooper and other celebrities, she manages to fool the near-sighted Carolyn. However, the real Harpo Marx shows up only to discover Lucy dressed up as him.

Lucy is spotted while attempting to "collect" a cement block with John Wayne's footprints from Grauman's Chinese Theater. To avoid publicity and keep Lucy out of jail, Ricky enlists John Wayne's help in replacing the block. One mishap leads to another, and the plot thickens -- as does the cement. John Wayne guest-stars.

En route to Rome by train, Lucy is spotted by a famous Italian cinema director and chosen to play a part in his new movie "Bitter Grapes." Lucy sets out to immerse herself in the role. When she nonchalantly wanders into a vineyard inhabited by a motley assortment of Italian-speaking women, she is dispatched to the wine-making area to crush grapes with her feet.

Thinking Ricky is losing interest in her, Lucy follows the advice of a book Ethel gave her and takes up Ricky's hobbies.

To her dismay, Lucy finds out that she's put on twenty-two pounds since marrying Ricky. When one of the girls in Ricky's new show quits, she tricks him into promising, she can be in the show if she fits into the dancer's size twelve costume.

When Lucy needs to balance her household accounts, she decides to go on quiz show. To win the $1,000 cash prize, she has to introduce her "long lost first husband" to Ricky.

Ricky lands a TV audition at the club. When Buffo the Clown injures himself and cannot make it, Lucy takes his place.

Ricky returns home with expensive mink coat that he has rented for an act at the club. Lucy jumps to the conclusion that it's her anniversary present.

Lucy spends too much money on a dress. So she tells Ricky that she will get a job babysitting in order to pay for it.

The Ricardo's neighbor Miss Lewis wants Lucy to deliver a dinner invitation to her grocer. But he misunderstands and thinks the invitation is from Lucy herself.

After becoming too involved in a murder mystery book, Lucy believes that Ricky is trying to murder her.

Ricky is disgusted by Lucy's obsession with gossiping about other people. According to Ricky, Lucy acts as if it is her ""life's blood."" Fred, too, is disturbed by Ethel's love of gossiping. The two girls then point out that both Ricky and Fred have been known to gossip, also. The boys then challenge the girls to a bet: They will see who can go without gossiping the longest, and the winners will receive breakfast in bed for a month. The bet commences, and everything is going fine until Ricky comes up with a plan to cheat so that he and Fred can win.

Lucy pretends to suffer from numerous psychological ailments so that Ricky will feel sorry for her and let her go into show business.

The Ricardos and Mertzes spend Christmas Eve decorating a tree - and remembering moments that led up to the birth of Little Ricky five years earlier.

An argument ensues among the couples when Ethel wants to celebrate the Mertzes's anniversary at the Copacabana while Fred wants to attend the fights. Ethel and Lucy decide that they will go to the club with dates.

Lucy is jealous of one of Ricky's dancer at his nightclub after hearing about a gossip column item linking the two.

Lucy becomes afraid that one of her new neighbors is threatening to kill her and convinces the others that the neighbors are trying to kill them...which gets them into big trouble.

Fred and Ethel have been going at each others' throats for the past few days now, and aren't talking to each other any more. (Fred: She called my mother a weasel!)To get them back together, Lucy comes up with a plan: She will invite Ethel to dinner, while Ricky will invite Fred. Neither Mertz will know that the other is coming, Lucy hopes that she can bring the Mertzes together so they can talk out their issues. Lucy commences with her plan, but during dinner, she and Ricky start to bicker. By the end of supper, the Mertzes leave the Ricardos' apartment as happy as larks, but Lucy and Ricky are now at each others' throats. It's now up to the Mertzes to bring the Ricardos back together.

Lucy dislikes Ricky's new moustache. In order to take revenge, she glues a moustache and beard on to her face. Then, Ricky agrees to shave his moustache off, as long as Lucy gets rid of hers. Lucy tries to get the facial hair off, and is unsuccessful. They try to get a special substance to take the glue off, to find out that it is not made anymore.

Where's the beef? It's in Lucy and Ethel's new walk-in freezer (according to Lucy, the "human popsicle"). Of course, Ricky and Fred have a beef with their wives, because they paid $483 for it. The meat company won't take it back, and they can't sell it to customers waiting in the local butcher shop, so they're stuck with it. And speaking of stuck, Lucy gets herself locked in the freezer!

Lucy tries to get in a skit with Orson Welles at Ricky's club, thinking it is a Shakespearean play that he will be doing. When Orson Welles tells Lucy she can be in the show, she calls her old high school drama teacher to tell her the news. Lucy's old teacher sends her whole drama class to Club Babalu to see Lucy perform. But poor Lucy! It turns out Welles only wanted her to be his assistant for a magic trick.

Ethel wants Ricky to a headline a benefit show for her women's club, but Lucy refuses to ask him, unless she can be on the bill too.

Desperate to be in Ricky's new television commercial, Lucy makes every attempt to get her way; which eventually pays off. But her one-and-only chance flops when she is forced to test the sponsor's product over-and-over, a vitamin syrup called Vitametavegimin, which is 25% alcohol.

A shy young teenager named Peggy has a major crush on Ricky. Ricky, however, is tired of all this "attention" that this girl is giving him, so asks Lucy to have a talk with her. During their conversation, Lucy asks Peggy to think of some other boys her own age that she might like to go out with instead. Peggy, it seems, also likes a boy named Arthur Morton. Unfortunately, Arthur is painfully shy and cannot dance, so Lucy volunteers to give him a dance lesson. But it is then that Arthur becomes infatuated with Lucy! To get the two off their backs, Lucy and Ricky come up with a solution: they will dress up and act like 90 year olds, and scare their "young fans" back to reality.