The girls can't wait to go on a vacation to Mexico. Unfortunately when they get there, they find half of their hotel room missing and that they have to share the room with another woman.

Disappointed after not receiving the customary tri-monthly $5.00 raise, Laverne and Shirley write a nasty letter to their boss. At the end of the day, it is revealed that they DID get a raise, after all, but also that the nasty letter is sitting, unopened, on the boss's desk - waiting to be read the next morning. Desperate to save their jobs, Laverne and Shirley go home and try to hatch a plan to get that letter back, before morning.

The girls are riding the Moose Jaw Express when a murder victim enters their compartment.

Laverne and Shirley try to find out who the murderer is.

The girls recruit Lenny, Squiggy, and Carmine to help them pull off this mission. Lenny and Squiggy will drive the getaway car, and act as lookouts, while Carmine, Laverne, and Shirley will sneak through the air vents, and make their way into the boss's office. They will carefully maneuver around the alarm system, retrieve the letter, and be on their way. No one shall be the wiser. Of course, when they try to put the plan into action, our heroes run into some obstacles along the way, and quickly realize that this isn't going to be as easy as they thought.

Laverne & Shirley come to the rescue when Lenny and Squiggy get stood up.

The gang attend ""Be Silly For Dollars"". Carmine got the tickets & wanted to be a contestant. Shecky the host comes to the audience to select contestants. He first picks Lenny & Squiggy who aren't too interested. Then as he's about to select Carmine, Laverne & Shirley start jumping up & down & he selects them instead. On the game show, Lenny & Squiggy appear first. They answer a hard stumper correctly & model Irma comes out displaying a salami they won. Shecky tempts them with living room furniture, but they decide to take the salami! Laverne & Shirley appear next. They miss the question & have to do a silly stunt. They had two minutes to dress each other blindfoldedly which they succussfully do. Irma tells them they won a trip to Appliance Street! Shecky tells them they could either take the oven or appliance potpourri. After squabbling & arguing, the lucky buzzer sounds! Shecky invites them back next week. At home, Laverne's father wants them to wear some silly clothing pr

To protest a false bill, the girls chain themselves insde the gas company building, little knowing that another disgruntled customer has planted a bomb in the building. Because the girls are chained to the wall, they can't get out.

Laverne falls for a fireman who is always being called to duty. Before he gets a chance to propose to Laverne, he dies in the line of duty saving many lives.

The girls get plenty of offers for dates after Icky Hector puts their names and phone number on several men's room walls.

The girls want new furniture and go looking for a used couch, in a haunted house. Lenny and Squiggy go with Laverne and Shirley to the haunted house to help them remove a couch if they buy one. Of course, the cast start to disappear one by one until there's only the girls left, they can't get out. In the end discover that it is the owners of the house who are trying to scare people away so they don't have to move. Shirley discovers that Abe Lincoln once slept in the house and suggests they have the house marked as a piece of history which saves the building.

Laverne comes out the bedroom wearing only her slip and reading a magazine about a stripper named Roxy's adentures. It turns out that Shirley has read the article and when Laverne is about to go outside to collect the mail, Shirley gives Laverne a telling off for wearing only her slip outside. So she goes to collect the mail. Lenny and Squiggy appear wearing their new lodge hats, The Order Of The Bass, and then tell Laverne that Shirley is taking a nap outstide at the bottom of the stairs. Shirley has fallen and hit her head and now thinks she is Roxy from the magazine. She then shows a complete change in her persoanlity as she practices bumps and grinds. Carmine thinks he'll have more luck with Roxy and chats her up just as Laverne tells him to leave. Later when Shirley/Roxy is all alone, Lenny and Squiggy arrive and try to get Roxy to strip. She says she will if it's at a mens club and she gets paid, so they arrange for her to strip at their lodge's big party. Laverne comes home late

The girls meet two guys in Frank's Pizzabowl. When they get chatting, the girls think that the guys are inviting them for dinner at their posh flat, but in reality all the guys want is to hire them to be maids for the evening to them and their posh girlfriends.

Laverne wins three minutes of free shopping and everyne want something. Everybody wants something all right: Lenny and Squiggy are constantly telling them to get Bosco, Carmine is out taking orders from the neighborhood. When the day comes, due to the girls' greed all they end up with is one measly item each.

Laverne and Shirley try to help Squiggy by pointing out to him that his latest great looking girlfriend is just using him to help move into and decorate her flat. When they finally confront Squiggy with the news, he tells them he knows he's being used but what chance does a guy like him have with a beautiful girl like that. Of course he does the right thing thanks to his friends and tells the golddigger to get lost.

Lenny inherits a greasy spoon diner called 'Laslo's Place', they immediately rename it ""Dead Laslo's Place"". Because Laverne and Shirley are desperate for work, they get hired to cook and waitress the diner. The girls get run off their feet and Shirley ends up running out of the diner screaming in frustration. Frank offers to buy the restaurant from Lenny, which he does, so now Frank has 2 restaurants.

Squiggy's long lost father suddenly shows up and wants to spend time with his son.

Fabian's concert is sold out, but the girls still want to see him. The girls bet Rosie that they can not only meet Fabian but that they will have their pictures taken with him. Rosie agrees to the bet, and says that if she should lose she'll clean the girls flat with her toothbrush. Needless to say, Rosie is soon scrubbing the floors, toothbrush and all.

The gang is rehearsing the play ""Alice In Wonderland"" so they're all in costume: Shirley is Alice, Laverne is the Mad Hatter, Lenny and Squiggy are Tweedle-dum and Tweedle-dee. Shirley faints on the couch and is taken to hospital where it is discovered that her appendix is about to burst. Fearful that she is going to lose her hair for the operation, Shirley hides while everyone else tries to find her before her appendix bursts.

Lenny falls in love with Laverne after misunderstanding what she told him.

The girls believe they are doing a good deed by calling in a building inspector to make repairs, until Mrs. Babish is given a deadline to fix it or pay a fine.

Lenny refuses to have anything to do with Squiggy after he pushes him into a garbage can from their second floor apartment window. Laverne and Shirley get the two friends to make up in Squiggy's uncle's wax works museum.

Edna accepts a marriage proposal from Frank, who waited to the last minute to ask her. Laverne and Shirley end up singing at their wedding in an all-black gospel choir.

Lenny and Squiggy fix Laverne and Shirley up with computer dates, who turn out to be midgets.

Shotz hires a psychiatrist to evaluate job aptitudes. The gang are all terrified that some deep dark secret, or that all their inadequacies are going to be revealed when they visit the company shrink.