Lucy promises her daughter, Chris, that she won't wait for her, but when she inadvertently breaks her promise, she has to get upstairs from the outside of the house.
Lucy tries to get a date with her son Jerry's new teacher, so she looks at his driver license—and doesn't put it back.
Lucy becomes a referee at a football game. After her incompetence gets both teams disqualified, she scrambles to make it up to them.
After her banker, Mr. Barnsdahl, says his bank never makes a mistake and Lucy ends up with $2,000 after a mistake, she tries to keep it to play a joke, but the kids unknowingly take it to the park.
Left with no one to tend the lawn, Lucy buys a sheep named Clementine to take care of the grass. Unfortunately, weather and circumstances make Clementine an unwelcome house guest, and Lucy sneaks her back to the farm. Only then is she offered $200 for Clementine to appear in a blanket ad.
After Lucy and Vivian successfully spend 24 hours in a simulated space ship, Vivian decides to deflate Lucy's ego by convincing the red-head that she has been selected as the first woman astronaut and must leave immediately for Cape Canaveral.
In order to get Jerry a bike for his birthday, Lucy takes a temporary job as a secretary. However, when her dress is destroyed, she is forced to deliver papers in a kangaroo costume.
Lucy goes on a date to the opera with a man interested in music. Problems arise when Viv takes a liking to him.
After a boring night without TV (because the antenna fell down), Lucy tries to save a little money by putting up a new antenna with Viv.
Vivian falls and twists her ankle when the kids leave a mess in the house. Lucy is afraid she'll sue, so she tries to trick Viv into signing a paper that says she won't sue. When Viv finds out, Lucy must contend to her every need.
Lucy and Viv decide to build a rumpus room after having conflicting dates at the house.
Lucy plans to surprise Vivian with a new mattress and a redone room while she's on vacation, but the electric mattress Lucy bought her malfunctions (it moves around the room when the motor is on) and Lucy is forced to return it. However, Vivian returns home early and has no place to sleep, so she and Lucy have to share the boys' bunkbeds for a night.
Lucy and Viv decide to celebrate Christmas together. However, problems arise when they realize each other's traditions are different.
Chris throws a New Year's Eve party and doesn't want Lucy and Viv there, but needs them to come to the rescue when the party becomes a flop.
Lucy's sister has eloped, but Lucy wants her to have a formal ceremony right in the house. Things get tipsy when the nervous groom spikes the punch with champagne and the girls drink it.
Lucy and Viv organize the local women into a volunteer fire brigade.
Lucy becomes a reporter, but is fired, and must have Viv get her job back by interviewing an old flame of Viv's, and important businessman.
Tired of Chris hogging the bathroom every morning, Lucy and Viv decide to trick Harry & Eddie into building a shower in the boys' room. When the plumber Harry and Eddie secretly hired quits (after Lucy insults him), Lucy and Viv must finish the shower- but they accidentally get trapped in the shower while it's filling up with water.
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 and Viv decide to market Viv's homemade caramel corn, but they break zoning laws.
Viv and Lucy don't want to go on double dates anymore, but both of them secretly still want to.
To protect themselves better, Lucy and Viv take judo lessons, but problems arise when Jerry and Sherman start fighting.
Chris takes on a job of soda jerk to buy a uniform and Lucy takes over her shift during a parade.
Lucy foolishly collects 34 tons (68,000 lbs.) of paper, but must deliver it to the next town.
Lucy and her children's scout group build a sugar cube replica of the White House which they were going to present to President John F. Kennedy. However, the replica is crushed and Lucy scrambles at the various locations the train stops at to build another.
To freshen up their skills, Lucy and Viv take chemistry classes at Night School, but Lucy tries to develop eternal youth and Viv decides to play a prank on her.
Lucy is prepared to chaperone her daughter Chris and some of her school friends for a week at Sandy Cove. When Chris' school principle decides that one woman can't possibly chaperone all those girls Lucy recruits Viv to come along. While at the beach Lucy decides that the kids think that she and Viv are old foogys so they try to dress and act young, only to find out in the end that the kids would rather have their chaperones behave as adults.
Lucy coaches Jerry in little league, but is expelled from the game for mouthing off to the referee.
Lucy lets go of Jerry's butterfly and tries to catch it.
Lucy and Viv buy a boat and become stranded in the lake while riding it.