The twins' father visits New York and announces that he's taking them back to Iowa.

The twins devote an entire weekend to Aunt Margo, whose wedding anniversary is an occasion for memories.

Allison's new classmate in design school is a wealthy woman who thinks she can buy Allison's friendship---and steal her ideas.

Allison is smitten with an older man who asks her to visit Paris with him.

While watching an old movie on TV, everyone starts daydreaming that they're playing out scenes from favorite movies.

Allison comes to the rescue when Kate loses her voice the day of her big audition for a TV commercial.

Complimented on her recent newspaper article, Allison decides to give up design school for a full-time writing career.

Kate hears wedding bells after meeting a slick deejay whose tastes are more in line with Allison's.

Kate and Allison recall some of their fondest memories in a show made up of highlights from past episodes.

Allison and Billy go out on a real date and it seems to be leading to a real relationship.

Aunt Margo finally meets Mr. Wonderful---a man Charles hired to show her a good time.

A major storm prevents the twins from flying home for the holidays.

Kate gets a part in a rock star's concert tour, leaving envious Allison on her own in New York.

Kate lands a job as a magician's assistant, but to make the act a success she must devise a way to be in two places at once.

The twins move to New York, where Kate hopes to become an actress and Allison a fashion designer.