When JoJo and Nancy plan to stay overnight with Mrs. Devine, Jojo is scared, but when the night actually comes along, it is Nancy who needs her little sister to calm her down.
Nancy is excited about her new babysitter coming over and has the whole evening planned out. But things don't turn out quite the way she expected. Her babysitter, Alex, is a teenager, but Alex is a boy, not a girl!
Nancy and Bree can t wait to go. But when Bree gets sick and has to miss the show, Nancy decides to put on a bubble show of her own. Will Nancy and her classmates be able to put on the best bubble show ever?
Nancy is delighted that the new boy in her class is from Paris and sets out to become his friend, then discovers that this Parisian is not quite as fancy as she had thought.
To cheer up her classmates after a gloomy week, Nancy thinks of a new celebration, Fancy Day, but when the day arrives Ms. Glass shows up without her fancy dress, and the class must think of a way to make her as elegant as everyone else.
Fancy Nancy discovers a new talent for repairing broken toys in her neighborhood, but she must learn to keep her cool when her next patient is her beloved doll Marabelle.
When Nancy and her mother begin planting a vegetable garden using Grandma Margie's heirloom tomato seeds, they dig up an old time capsule buried in the garden.