Caroline in the City - Season 4 Episode 18 Caroline and the Sudsy Guy
Overview: Caroline's plans to rent out her house in Wisconsin hit an unexpected snag when Grandma Duffy refuses to leave, forcing Caroline to return to Wisconsin, where she is surprised to learn that her former boyfriend Randy will be her new tenant. Meanwhile, Richard has his hands full in New York when he agrees to take Caroline's place by caring for Annie (who is sick) and Del (who thinks his girlfriend may be cheating on him).