Fred and Ethel can't agree on where to go for their 18th wedding anniversary celebration. Fred and Ricky want to go to the fights, but Ethel and Lucy want to go to the Copacabana. They finally decide to do different things and bring dates. They all have problems getting dates, but when Lucy and Ethel find out that Ricky and Fred called a date service, Lucy has the operator set her and Ethel up as Ricky and Fred's dates.
Lucy tries to be Ricky's pal to improve their marriage.
Lucy starves herself in order to lose 22 pounds so that she can fit in a dress and be in Ricky's show.
Lucy gets so obsessed with a murder mystery book that it carries her mind away into thinking that Ricky is trying to kill her.
Lucy will win a radio show prize if she can manage to convince Ricky that she was once married to a radio station hired actor. However, when a bum comes to her door, Lucy thinks it's the actor, and causes a heap of confusion for everyone.
Lucy decides that she wants to "get in on the act" when Ricky's band auditions for television, so she fills in for Buffo the clown. Trouble ensues when Lucy gets offered the job, but not Ricky's band.
After suddenly becoming interested in superstitions, Lucy reads Ricky's horoscope and it says that today is not a good day for Ricky to make business deals. So when a call comes through with a very good job offer for Ricky, Lucy tells them no, leading Lucy to have a seance to set things right.
Lucy decides to teach Ricky a lesson about his being messy when his press agent lines up a spread in Halfbeat Magazine by trashing the house. Little does Lucy know though that the reporter Ricky brings home to do the spread is actually from Look Magazine causing big trouble.
Lucy and Ethel mistakenly believe that Ricky and Fred have been drafted when they receive a telegram for Ricky telling him to report to Army's Fort Dix. Their suspicions are further proved when Ricky and Fred come into the house practicing marching with brooms. So Lucy and Ethel decide to throw them a going away party, but Ricky and Fred believe that the girls are pregnant, and plan a party for them on the same night. Chaos ensues when Lucy and Ethel discover that when Ricky and Fred came into the house marching, they were really practicing for a routine at the club, and they're not really drafted.
Ricky has to resort to hiring Fred to pretend to burglarize Ricky's house and steal a fur coat that Lucy will not take off and believes is her anniversary present, but it really is a prop for one of Ricky's shows that he brought home to show everyone.
Lucy sneaks into Ricky's "Jezebel" chorus line to try and find out if Ricky is seeing another woman.
While practicing for a number in one of Ricky's shows, Lucy gets a dance instructor that has more than dance lessons on his mind making Ricky furious.
Ethel desperately wants Ricky to perform st the women's club benefit, but the only way that Lucy will ask is if she gets to be in the show too. Ethel finally agrees just because she wants Ricky there. After a lot of coaxing, Ricky says that he'll be in the benefit with Lucy, but when he brings home the act for Lucy to study, Lucy finds that Ricky has given himself all of the funny lines. So she then comes up with a way to teach Ricky a good lesson.
Lucy has to babysit two spoiled rambunctious twins to make money to pay for a dress that she spent too much money on. She doesn't realize though what she's getting herself into, but at the last moment before Lucy goes insane, the twins' mother calls and tells Lucy that if she'll perform in a talent show with the twins, she'll let Lucy keep the $100 prize money.
Lucy tries to play matchmaker for her elderly neighbor and the milkman, even though Ricky strongly disapproves. But things don't go the way Lucy planned and the milkman begins to believe that Lucy loves him.
Lucy finally believes that she has come up with the perfect scheme to get into show business, she's going to fake having multiple mental illnesses as the results of not being in show business. But her charade backfires when Ricky discovers what she's doing and hires a doctor to scare Lucy out of her mind.
Lucy is writing a play for the women's club called, A Little Tree Grows In Havana, and she needs Ricky to star in it. But as soon as Ricky takes one look at the script, he refuses. Now Lucy has to rewrite the play so that Fred can star in it.
The Ricardos and the Mertzes get into a huge fight, and Lucy and Ricky decide that they're leaving. There's only one catch to their plan though, they signed a lease. Son now Lucy and Ricky decide to become the worst tenants ever and get kicked out. But as soon as the Mertzes do kick them out, they decide that they can't go through with it. In the end, they all apologize, and Ricky and Lucy get to stay.
When Lucy learns of two openings in Ricky's show, one for a ballet dancer, and one for a burlesque comic, Lucy decides to take ballet lessons because she has some past experience in it. But once that goes horribly wrong, she then decides to hire someone to help her learn the art of burlesque comedy. Then Lucy learns that Ricky now has only one opening left in the show, and falsely assuming that it's the burlesque comic, she goes down to the club with disastrous results.
When Lucy and Ricky acquire two young fans, they'll stop at nothing to get them off of their backs.
Lucy wrongly believes that the new neighbors are out to kill her, but in reality they were just rehearsing for a play.
Ethel and Fred have been arguing with each other nonstop for the past few days, and Lucy decides to put an end to it. So Lucy invites Ethel to dinner, and Ricky invites Fred to dinner, neither of them knowing that the other is coming. But during dinner, Ricky and Lucy begin to argue, but Ethel and Fred have stopped fighting. Now Fred and Ethel have to figure out a way to patch things up between Ricky and Lucy.
Lucy doesn't like Ricky's mustache and wants him to shave it off. But Ricky refuses, so Lucy decides to show him what it's like by gluing a fake beard on her face. Ricky eventually gives in and agrees to shave it, but only on the condition that Lucy gets rid of hers. But when Lucy tries to take it off, she finds out that the glue she attached it with's remover is not being made anymore.
The boys place a bet with the girls that they can go longer than the girls without gossiping, and the winner gets breakfast in bed for a month. Everything is going fine until Ricky's plan to cheat backfires on him.
Lucy and Ethel accept a bet from Ricky and Fred that they can't go a day without modern appliances, but what will the boys do when the girls insist that they do the same?
When Lucy discovers that Ricky's name is misspelled on their marriage license, she believes that they're not legally married and insists that they get married in the same place they supposedly did the first time. But they have more trouble getting there than they expected.
When Lucy is hosting an auction, Ricky thinks she has stolen the goods she is hiding in the closet. It worsens when Fred and Ricky witness Lucy taking a cuckoo clock out of the Mertzes apartment, unaware that Ethel had put her up to her. Thinking she's a kleptomaniac, they hire a psychiatrist. However, to get back at Fred and Ricky, Lucy and Ethel put on an act like they have just robbed a bank.
Lucy tries to keep Ricky from dancing with his old dance partner from Cuba who used to be a little girl, but definitely isn't anymore.
Lucy accidentally gets locked in a freezer that her and Ethel paid $483 for while trying to hide a ton of meat they purchased from Ricky and Fred.
Lucy's one chance at a commercial flops when she is forced to taste the product over and over again which is 25% alcohol.
When Ricky's publicity agent isn't doing a good job to get Ricky any publicity, Lucy poses as a princess from a foreign land for a publicity stunt.
Unknown to Ricky, Lucy secretly books him on a radio quiz show.
Lucy is put on a strict time schedule by Ricky.
When Ricky begins to believe he's going bald, Lucy performs an outrageous treatment on him that she made up to make him believe his hair is growing back.
After Ricky asks for a raise, and is then fired, Lucy, Fred, and Ethel go into the club in numerous disguises, and pretend that once they discover that Ricky doesn't perform there anymore, they leave.
Lucy almost misses out on getting her anniversary present for spying on Ricky while he's with another girl, whom unknown to Lucy is actually a jeweler that's making Lucy's anniversary gift.
Lucy handcuffs herself to Ricky to try and get him to spend more time with her, but then she realizes that she doesn't have the key. The bad thing is that Ricky has to perform a show handcuffed to Lucy while they wait for a locksmith.
When the women's club is running short on funds for their play, Lucy and Ethel decide to write and star in the play. But when the check for the costumes and props bounces, the company begins to repossess their props and supplies right in the middle of the play.
Ricky and Fred bet Lucy and Ethel that working is harder than staying home and doing chores, so they decide to switch jobs with the boys doing the housework, and the girls going out and getting jobs.
Lucy decides to pretend that she is seeing another man to stop Ricky from leaving to go on tour after she fails at her saxophone audition for Ricky's band.
The Mertzes and Ricardos both take a week of vacation from their marriages to see if the time apart will help improve their relationships.
When Lucy and Ricky give Fred and Ethel a TV set as an anniversary present, Ricky's trying to fix it causes it to blow up. Fred then kicks in the Ricardo's TV set, which ends them all up in court.
Lucy refuses to leave the house while waiting to receive word on whether or not she's won a contest to get her apartment redecorated. This annoys Ricky so much that he decides to have Fred call Lucy and tell her that she's won, but Ricky never bargained on having to buy back all of his old furniture back when Lucy believes the phony call and sells all of the furniture.
Lucy throws together a crazy ensemble of a cast after Ricky loses his voice and can't perform at the big reopening celebration for the Tropicana.
Ricky tries to get Lucy to stop being a sucker for a sales pitch.
Ricky turns to a psychiatric doctor or help when Lucy begins to develop an inferiority complex.
Lucy and Ethel run against each other to become president of the Wednesday Afternoon Fine Arts League, testing their friendship. As it turns out, exactly half of the club votes for Lucy, and the other half for Ethel. But when a new member joins the women's club, who will cast the deciding vote, Ethel and Lucy go out of their way to earn her vote.
Fred and Ethel suspect abuse when Lucy has a black eye that she really got when she missed a book that was tossed to her by Ricky, but the Mertzes just won't buy her story.
Lucy tries to get back at Ricky when he becomes bothered by the fact that she never finishes what she starts by meeting up with an old boyfriend of her's once again.
Lucy has to try to find the perfect moment to tell Ricky that she is pregnant. But no matter when she tries, something always interrupts her.
Lucy begins to believe that Ricky has lost all interest in her and only cares about the baby.
Pregnant Lucy tries her hardest to get into Ricky's show for one last time as her show business swan song.
Lucy is afraid that their new baby will pick up bad speaking habits from Ricky, so she hires an English tutor to teach them all how to speak properly.
Ethel and Lucy throw Ricky a daddy shower when he begins to feel left out because of all the attention that Lucy is getting.
Lucy goes to great lengths to impress an art critic when she tries her hand at becoming a sculptress.
After rehearsing for months, Ricky and the Mertze's plans on taking Lucy to the hospital calmly to deliver her baby crumbles when the time comes for Lucy to go to the hospital.
An angry tenant, Mrs. Trumbull, threatens that she will move out of her apartment if Little Ricky doesn't stop crying.
Lucy tries to get the maid that she hired to help her out with taking care of Little Ricky to quit when she turns out to be a lazy bum because Lucy can't bring herself to fire her.
Lucy once again tries to get into Ricky's show, this time in the Indian act at the Tropicana.
After believing that everyone has forgotten her birthday, Lucy is surprised to discover that her friends have been planning a surprise party to celebrate her birthday.
Lucy wants to trade apartments with another tenant now that Little Ricky is born because she feels that they need more room.
Lucy tries playing cupid for one of the Mertze's friends that works as a lingerie salesman.
Lucy purchases new furniture to go with their new apartment and then tries to hide it from Ricky.
Lucy gets back at Ricky for trying to make her camping experience miserable by doing the very same thing to him.
Lucy surprises Ricky and Fred by accomplishing an impossible dance routine that they created for her attempt to get into show business to fail once again.
While out at a cafe because Ricky and Fred are so glued to the TV that they are ignoring them, Lucy tries to make change for herself because service is slow and ends up getting her and Ethel arrested.
When the Ricardos sell the Mertzes their old washer and it ends up breaking, Fred and Ethel decide that they want out of the deal and try to give the washer back. But when the Mertzes learn that a repairman will give them $50 for it, they desperately try to get the machine back.
Lucy and Ethel are extremely excited about the new dress shop that they have just purchased, but when they can't sell any dresses will they have to sell the shop?
Problems arise when Lucy and Ethel accidentally buy the exact same dress to wear when they perform a duet in a talent show for the Wednesday Afternoon Fine Arts League. Meanwhile, Lucy decides to use reverse psychology to trick Ricky into hosting the talent show.
Lucy and Ethel bite off a little more than they can chew when they demand equal rights for women and men.
Ricky might lose a television appearance that was offered to him by Caroline Appleby's husband when the Ricardos and Applebys start fighting over baby pictures.
While under a bet from Ricky, Fred, and Ethel that she can't even go 24 hours without telling a lie, Lucy has to reveal her age, weight, and natural hair color to members of the women's club.
Lucy has to disguise herself to sneak into Ricky's French Revue after he forbids her to come anywhere near the club.
Lucy ends up sacrificing her own furniture by giving it to the Mertzes after she accidentally destroys theirs while trying to help them redecorate.
Ethel mistakenly believes that Lucy is the notorious burglar, Madame X, when she sees Lucy sneak into the Mertze's apartment to borrow a coat so that her and Ricky can get a measurement to buy a suit as a present for Fred's birthday.
Lucy comes up with a plan to get back at Ricky and Fred after they get back their horrible looking clothes that Lucy and Ethel threw away.
When Lucy finally gets her big break in the form of performing a dance that she's terrific at in Ricky's show, it's all ruined because of a simple visit to the eye doctor that ends up effecting Lucy's vision.
Ricky makes Lucy jealous after mentioning an old girlfriend that just happens to be in town.
Lucy plans to market her homemade salad dressing on national television with the help of Ethel after ruining her monthly budget.
Little Ricky wanders away while under the supervision of Ricky who was too busy watching a football game to notice that his son was gone.
After Lucy and Ethel notice Ricky and Fred eying a pretty girl, they decide to go to charm school to impress the boys, but Ricky and Fred are anything but impressed by the final results.
Fred and Ethel try to organize a surprise party for Lucy and Ricky's 13th wedding anniversary, but they don't realize that all Lucy and Ricky want to do is be alone.
Ricky and Lucy's marriage comes under strain when a reporter spends a day with them for a news article.
Lucy and Ethel try to discover if their new neighbors that have sold them oil stock are swindlers.
After Ricky explodes when he finds out that Lucy has bought herself a new hat, she places a bet with him that she can get him to lose his temper before she gets another hat, but she soon finds that it's going to be more difficult than she had originally thought.
When Lucy, Fred, and Ethel find out that Ricky will be shooting a TV pilot, they all try their hardest to get a part in it. But when Ricky won't let them in it, they decide to make their own movie.
The Ricardos and Mertzes almost lose their friendship over one buck worth $300.
Lucy goes on a game show to try to win plane tickets to Hawaii so that she can go with Ricky and his band instead of staying home.
Lucy and Ethel have to pretend to be women from Mars in order to earn $500 that Lucy pledged to charity.
Ricky, Fred, and Ethel are all not happy about Lucy's new novel that takes jabs at them.
Lucy tries to persuade Ricky to help her make the Wednesday Afternoon Fine Arts League sextet sound better for a fundraiser that they are putting on.
Tensions arise between the Ricardos and Mertzes after they buy a diner together and Fred and Ethel end up doing all of the work.
Lucy tries testing Ricky's loyalty to her by dressing up in a black wig and a costume to tempt him.
Lucy tries to get rid her visiting country "cousin" Ernie.
"Cousin" Ernie throws together a country party to raise money for the Ricardos after Lucy's scheme of claiming that they are broke doesn't get rid of him.
When Lucy and Ethel come up with an insane scheme for combating their "golf widowship", Jimmy Demaret stops by.
The Mertzes aren't excited about who their new tenants are going to be when Lucy and Ricky go away on a trip to Maine and sublease their apartment.
To make sure that Ricky would come to her rescue if she were ever in danger, Lucy cries wolf. But she soon finds that she may have cried wolf one too many times when she finds herself in a dangerous situation.
Lucy plans to get a couple married by showing them how good that marriage can be. But her plan soon backfires with unexpected results.
Ricky hires Lucy a business manager to help her manage her money. But things don't go Ricky's way when Lucy decides to open a shopping business to earn extra money.
Lucy sabotages a new program accidentally that she is co-hosting with Ricky when she learns that he tried everything to be the only host and get rid of her.
Lucy pretends to be the Mertz's maid after Fred tells his old acting partner that he's a real estate tycoon.
Lucy, Fred, and Ethel all try to catch the attention of a talent scout that's coming to the Ricardo apartment to audition Ricky for a part in a movie.
Lucy unexpectedly shows up at the movie studio for Ricky's screen test.
Lucy is a bundle of nerves when she's faced with meeting her Cuban mother-in-law for the first time.
The Ricardos and Mertzes begin making preparations for their big California trip to film Ricky's movie.
Before making the big trip to Hollywood, Lucy faces the unenviable task of learning how to drive a motor vehicle.
The Ricardos and Mertzes pack their bags for the move to California but getting started out of New York City proves to be nearly an impossible chore.
The foursome travels to a run down diner and decides to spend the night at one of the cabins there.
On their way to Hollywood, the Ricardos and the Mertzes get into a full-blown jam in a small Tennessee town. Luckily, Cousin Ernie is around to try and bail them out.
Finally arriving in Hollywood, Lucy goes out to meet some movie stars and ends up wreaking havoc on William Holden.
Lucy manages to wrangle herself a small part in a movie and then proceeds to turn the set topsy turvy.
While severely sunburned, Lucy has to model a scratchy tweed suit in a fashion show.
After learning that Cornel Wilde is staying on the hotel floor above her, Lucy poses as a bellboy in order to meet him.
The Ricardos and the Mertzes head to Palm Springs for a weekend of relaxation and learn that Rock Hudson is staying at their hotel.
Harpo Marx has an encounter with his exact double--Lucy Ricardo.
This time Lucy doesn't mess things up when she enters a dance contest with Van Johnson as her partner.
On a tour of famous Hollywood homes, Lucy tries to swipe some fruit from a tree on the property of Richard Widmark and ends up getting trapped in his house.
Lucy and Ethel attempt to steal John Wayne's block from Grauman's, but Lucy winds up with her foot stuck in cement while hiding from the police, and now must hide from Ricky.
After Lucy and Ethel breaks John Wayne's footprints. Ricky get's John to make a new footprint slab for Grauman's.
The Ricardos and the Mertzes finally arrive in Paris where all sorts of prattfalls await them.
When a movie director discovers Lucy in Italy, he asks her to take part in it. Desperate to "learn the part", Lucy winds up working with real Italian women making wine, by smashing grapes, with disastrous results.
After Lucy overhears that Ricky will invite a celebrity to his new commercial, it leaves her curious to see his performance and introduce herself.
When Little Ricky shows an interest in playing the drums, Lucy and Ricky decide to get him a set to play, but they don't realize the effects that it will have on the entire apartment building and their best friends, the Mertzes.
Lucy calls up her old drama teacher when she believes that she will be in a play with Orson Welles, and her teacher ends up bringing the whole class down to watch. But what Lucy didn't realize was that Orson Welles really just wanted her as his assistant in a magic trick.
Lucy must help Little Ricky overcome his stage fright when he is scheduled to play the drums with a children's orchestra.
Having lost their tickets to Florida, Lucy and Ethel catch a ride to the "Sunshine State" with an eccentric woman whom they come to believe is a murderess.
Lucy and Ethel challenges Ricky and Fred who will catch the biggest fish.
To keep Ricky and Fred from judging a beauty contest,Lucy schemes a plain, of filling the gas on a boat, everybody is riding on, half full. And when it's safe (or when it's unlikely the boys will make the contest), Lucy will save the day by having one of the thermos jugs full of gas, and the other lemonade. Then the guys finds the gas thermos and put it on the docks. Shortly after the boat runs out of gas, they find a "deserted" island.
Ricky introduces Lucy and Little Ricky to his family.
Before Little Ricky goes on his first school pageant, he gets stage fright.
The fun starts when a loving cup, Ricky have to present, Lucy gets her head stuck in the loving cup.
Lucy promises Little Ricky that Superman is coming to his birthday party.
Having moved to a house in the Connecticut countryside, Lucy finds herself missing her old friends, the Mertzes, and tries to persuade them to make the move too.