After returning from their summer vacation, the girls discover that Edna's Edibles has burned down. This leads the girls to discuss rebuilding and opening up a new business.

The girls try to hire a contractor to rebuild Edna's Edibles into their new business. After interviewing a string, they hire George Burnett, who's inexpensive, but he soon proves to be easily sidetracked from his work.

The girls finally open their new shop, which is called, Over Our Heads, which sells a mixture of trendy, nostalgic memorabilia. However, the opening day may be the closing day, when they don't get quite the reception they were hoping for.

Jo is offered a job at a major company which is tempting but this causes her to reevaluate her dream of becoming a teacher.

Natalie's boyfriend appears in a popular beefcake calendar of the Langley swim team, a calendar that is frowned upon by the college board of regents.

Needing advice on her love life, Blair asks her mother to visit, only to learn that mom needs advice even more than Blair does.

Andy enters the girls in a contest through a teen magazine that if they win, they could sing backup to El DeBarge. First, however, they must produce a demo tape of their singing talent.

While waiting for a bus, Natalie thinks she could get some inspiration on something to write about in a diner. Failing to find anything of interest, she begins writing a wild story, that takes place in the diner involving, Blair, Jo, Tootie, Mrs. Garrett and George.

Tootie tutors seventh grader Andy for a role in ""West Side Story,"" which turns him on to her more than to acting.

Mrs. Garrett's old friend, Gwen comes to town for a visit with her old gossip buddy, but she also comes to town to confront Edna about the affair Gwen thinks she had with her late husband.

Jo takes up ballroom dance lessons and becomes determined to do a good job at an upcoming recital despite chaotic lessons and a clutzy dance partner.

A very pregnant Monica comes to the house on Christmas Eve, where she ends up in labor and gives birth to Bailey, her third child, on Christmas morning.

Tootie's learning to drive and she's driving everyone bananas.

The police want to stake out the shop to nab a few crooks but the girls, not wanting to worry Mrs. Garrett, insist she not be told about the operation.

Tootie and Blair give an aspiring comic a career boost by staging a performance attended by Jim McCawley, talent coordinator of ""The Tonight Show.""

George gets Blair to pose as his fiancee at his high school reunion in order to make an ex-classmate jealous that she never gave him the light of day. However, the unexpected prompts Jo to go in Blair's place.

On the day Blair is to accept an award, she encounters two burdens. First, she's stuck babysitting her baby brother and second she becomes trapped in an elevator, where she learns an important lesson from a concentration camp survivor.

The girls are in Atlantic City for a long weekend, where Blair gets gambling fever and Jo hopes to be reunited with Flyman, the rock star she met on spring break in Fort Lauderdale.

The girls surprise Blair on her birthday with a party featuring singer and dancer Betty Kean who, like ""The Man Who Came to Dinner,"" stays on and on and on.

Natalie is furious with the mayor during an election when she learns he plans to build an amusement park. This prompts Natalie to consider running for mayor herself.

Jo's father shows up to announce that he's won a publisher's giveaway, and is determined to give Jo everything he could never give her before.

Tootie plans to join a road show after graduation despite her parents' objections, while Natalie plans to find an apartment where she can write in peace.

Natalie and Tootie find that privacy is at a premium in their one-room apartment, which doubles as a roach resort.