While Kate and Dennis take old clothes to Goodwill, Allie rushes across town to pay Jennie's school fees but l eaves her purse in the cab and is left stranded and penniless in Manhattan.

Jenny gets more than she bargained for in her new job: a bonus of sexual harassment.

Max sends Emma a mystery for her birthday, and Allie is soon in on it, catching up the family in an exotic world of menacing art dealers and homicidal maniacs.

Kate and Allie invite a crowd for Thanksgiving dinner/disaster.

Kate and Allie find a wallet containing $5,000 in cash, and the grateful owner gives them a $500 reward -- so Kate challenges Allie to spend her half on something frivolous she will enjoy.

Kate and Allie face a rent increase when their landlady realizes that there are two families occupying a one-family dwelling.

When the kids are assigned a class project to show ""change"", Emma makes a video on her family.

As Allie moves into her new high-rise condo, Kate interviews a potential housemate.

As the nervous bride-to-be, Allie has nightmares about meeting her fiancé's parents.

Everyone has date problems: Emma has no date for the college dance and must go with Jennie and Jason & Jennie breaks up with Jason & Chip has a fight with Amy upstairs because she was drooling over Matt Dillon in the movie they rent ed & Kate's chiropractor date was a self-centered bore; and Allie has no date at all. But Emma meets someone at the dance: a self-satisfied, arrogrant business major whom everyone else hates on sight.

An adult Chip brings his son Scotty to the old apartment just before the building is demolished, and reminisces a bout the day he tried to conceal a report card showing that he had failed science -- convincing him that he would always be a failure.

The kids plan a Hallowe'en haunting -- and so do their mothers.

Allie's advertisement for part-time work ends up in the Personals Column by mistake, and the return mail brings such bizarre responses that she is appalled.

Ted proposes to Kate.

Jenny falls into bad company but finds herself all alone at the police station.

Kate falls for a charmingly immature cab driver who quit his job as an advertising executive to become an artist -- and who wants Kate to go on impulse with him to Brazil.

Allie finds herself alone when Kate goes on a ski trip with her ex-husband and the kids are off doing their own thing.

Kate's elderly aunt Ofelia dies, leaving behind a cryptic will

Allie offers to be a campaign volunteer to a would-be congressman

After finding a 55-year-old love letter hidden in the wall, Kate and Allie try to rekindle the romance by mailing the letter.

Chip's birthday causes problems when Charles goes overboard on presents.

Kate and Allie's crush on an old college professor is rekindled when each imagines she is the inspiration for his recently published romantic novel.

Invited to their 20th high school reunion, Kate & Allie both go determined to settle old scores.

On a free trip to Paris, Allie comes down with the flu while Jennie plans a rendezvous with a Frenchman.

Allie is so afraid of appearing on a talk show about modern families that she follows Kate's advice and goes to a hypnotist.

Chip befriends a mentally handicapped man who's homeless and invites him to sleep in the basement.

Bob is in a panic because he feels he's not ready for marriage---which no one has mentioned.

The series' 100th episode is celebrated with clips from past shows.

Kate is saved from perky Haven and Blair when Allie suggests that Kate move in.

Allie's reaction upon hearing that Jennie and her boyfriend are sharing a dorm room doesn't compare with her reaction when they announce they're getting married.