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.

Ted invites everybody to his friends' cabin in the Adirondacks, but there's an escaped convict on the loose.

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

Kate and Allie get a loan from Bob.

Resenting their daughters' taking them for granted, Kate and Allie guiltily invite their own mothers to lunch -- then regret it when Marion won't stop talking about the food on her recent cruise and Joan won't stop criticizing Allie.

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

Watching a tape of Bob's sportscast, Allie notices an attractive anchor making an on-air play for her husband.

Chip is so thrilled to be associated with the ultracool Mike Sheridan that he becomes his partner in a scam.

Allie has new hope of a reconciliation after ex-husband Charles becomes suddenly attentive because he has broken up with girlfriend Clare.

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

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

The arrival of a bouquet with a card saying simply ""I'm sorry"" prompts everyone to recount how badly they were treated that day -- by clerks, bank personnel, schoolmates -- and to speculate on who exactly is apologizing to whom.

Kate and Allie cater Charles' and Claire's anniversary dinner.

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.

Kate tries to date Dennis and Peter at the same time, but they end up finding out about each other. When Kate realizes they don't care she is dating other men, she dumps them both and starts dating Ted, again.

Jenny is enamored of classmate Howard, auditions for his band, and becomes their lead singer. While the band rehearses in their basement, Kate and Allie give combined French dinners/French lessons and worry that Jenny is not willing to be herself with Howard -- to the point where she won't admit she can't rollerskate when he wants her to sing dressed as a skating '50s carhop.

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

Allie discovers that Chips friends think hes a sissy because of his background.

Kate and Allie buy each other third-anniversary gifts, but with an O. Henry twist: Allie pawns her camera to buy a shade for Kate's antique lamp, while Kate sells the lamp to buy Allie a camera lens.

After Emma moves into the college dorm, Jennie feels cooped up living at home under her mother's rules.

Kate and Allie get a taste of how the other half lives---and loves---when they cater a society couple's 25th-anniversary party.

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

A rich neighbour offers a hefty sum to Kate and Allie if they can find her ""a Bob..""

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.

Allie's new professor from Ohio begins visiting on ""academic business"" but their relationship soon heats up, with surprising results.