Tired of her daughter Chris hogging the bathroom all the time, Lucy asks her neighbor Harry to install an extra shower for her. Not wanting to do the job, he hires a plumber to do it instead. Lucy nags the plumber so much that he quits, leaving Lucy and Vivian to finish the jobs themselves!

When one of the members of Vivian's Barbershop Quartet drops out, Lucy naturally wants to take her place. Vivian agrees, and now it's up to Lucy to learn how to sing before a big singing contest in Albany!

Lucy tells Mr. Mooney she's sick so she can accompany her roommate to a golf tournament in Palm Springs. (Carol's group, "The Vagabonds" have a gig there.) Lucy weasels her way into a dinner date with distinguished actor Collin Grant. She soon discovers that Collin's golfing partner is none other than Mr. Mooney.

Lucy gets mistaken for a shoplifter and thrown in jail, although she thinks she has been imprisoned for littering the streets with sweet wrappers.

Lucy writes a jingle for a dog food company and wins a trip to London, England ("in Europe"). But when she misses her flight, she's forced to take a commuting flight to New York -- in a seat next to Mr. Mooney, who's on his way to the Big Apple for a business meeting.

When a letter arrives from the US Government, Lucy finds that she's mistakenly been drafted. Instead of "Lucy," the letter is addressed to "Lou C." She sets off to the draft office to correct the mistake, but due to stupid "rules and regulations," Lucy finds that she has to become a Marine until the paperwork gets straightened out. She proceeds to make life miserable for her sergeant.

Lucy finds a sale on beans that says "The Best Beans You've Ever Eaten or Double Your Money Back". Needing money for new furniture, Lucy & Mary Jane keep buying and returning more and more beans until they have collected $1,500.00! Little does Lucy know that Mr. Mooney is helping to sell them.

Phil Silvers stars as efficiency expert Oliver Kasten, brought in to the bank and stationed in Mr Mooney’s office.

Mr. Mooney is called up for two-weeks of Naval Reserve duty on a submarine. In his rush to leave the bank, he forgets to sign some important papers. Lucy, disguised as a sailor, sneaks onto the vessel to get his signature, but becomes trapped on-board when the ship submerges.

A bank benefit is to feature a monkey, which an overworked and stressful Lucy sees as Mr Mooney. A visit to the psychiatrists office tells her to face her fears.

Lucy finds a sale on beans that says "The Best Beans You've Ever Eaten or Double Your Money Back". Needing money for new furniture, Lucy & Mary Jane keep buying and returning more and more beans until they have collected $1,500.00! Little does Lucy know that Mr. Mooney is helping to sell them.

When Mr. Mooney sends Lucy to the movie studio to deliver some papers regarding the financing on John Wayne's new film, she ignores his warning not to bother Mr. Wayne and finds herself lunching with him. Nervous and excited, Lucy proceeds to talk his ear off and finally splatters him with ketchup. Mr. Wayne takes that as his exit cue, but Lucy soon tracks him to the set of his film, where she continuously screws up the production.

When Lucy is due to go on holiday, Mr Mooney hires a temporary secretary to cover. As she is an attractive blonde and Mr Mooney obviously likes her, Lucy decides to spend her holiday spying on the couple.

Mr. Mooney foolishly allows Lucy to try on a $6,000 anniversary ring he bought for his wife. When it becomes stuck on her finger, Lucy takes some tranquilizers to help her relax. The pills make her loopy, leaving Mooney to drag around a semi-conscious redhead while trying to un-stick the ring.

Lucy and Mary Jane spend their lunch hour shopping in a particular store in order to take advantage of the free tea and sandwiches on offer. There they run into a hypnotist.

George Burns arrives at the bank to pick up his statement. Enter Lucy, who explains her unique filing system. George is so taken with the ditzy redhead that he asks her to be his new comedy partner. The two go on to do a hit show and are offered a gig in Las Vegas. Lucy has to choose between showbiz or Mr. Mooney.

Needing extra money Lucy enrols with an employment agency and gets a job baby sitting. Unfortunately, she is sitting for chimpanzees.

Lucy organises a protest against a freeway going through a small town, unaware that Mr Mooney is helping get it built.

To help with expenses, Lucy brings in a new roommate. A shy, frumpy librarian with odd personality quirks soon gets on Lucy's nerves. Mary Jane and Lucy plot to get her a social life (and out of the house) by throwing a party to introduce her to some men. After just a couple of drinks, Carol goes from mild to a wild party animal.

Newly married Vivian visits Lucy and the pair chat about old times. Upon hearing of a friend’s son who now has long hair, a guitar and an earring, the pair decide to become hippies in order to rescue him.