Shotz brewery bottle-cappers and best friends, Laverne DeFazio and Shirley Feeney, are invited by the boss' nephew, Tad Shotz, to the Shotz formal society party. Shirley is excited about going while Laverne finds it insulting.

While Mr. DeFazio is away for a few days, Laverne and Shirley take over running the Pizza Bowl for him. Later, The Fonz convinces the girls to let him host a wild bachelor party at the Pizza Bowl - it goes against Shirley's better judgement, but Laverne doesn't see any problem with it. When the party gets started, however, the girls both begin to realize just how much of a mess they've gotten themselves into.

During the annual Shotz bowling tournament, Laverne decides to get even with her bowling rival, Karen from the past 5 years. However, on the big night, Laverne falls ills and takes heavy medication, leaving Laverne ""jerky"" during the tournament.

While Laverne & Shirley await their yearly high school reunion, they reminisce about their old crazy friend, Anne-Marie, who shows up at the reunion a nun.

Laverne suddenly decides to marry her boyfriend of only two months before he is sent away by the Navy.

Laverne & Shirley double date with two criminals who secretly intend on robbing the bank next to the Pizza Bowl.

Shirley's stuck zipper on her skirt leaves for a sticky situation when Lenny witnesses Squiggy with Shirley, half-dressed, leading to rumors around the Shotz Brewery that Shirley is a ""fun date.""

Shirley drives everyone she knows crazy when she loses her pet canary.

Shirley becomes reclusive and refuses to date after learning that Carmine has a new girlfriend, which drives Laverne crazy.

Laverne & Shirley try to earn promotions by trying out for the new beer tasting position.

Laverne & Shirley falls victims to a peculiar robber, known as the ""Milwaukee Masher.""

Lenny & Squiggy drive Laverne & Shirley crazy when they move into the girls' apartment building.

Laverne & Shirley panic when a German delivery guy faints in their living room.

Shirley's domineering mother comes for a visit, and finds fault with Shirley, her friends, and everything else about Shirley's life, until Laverne sets her straight.