Mr French encounters an old friend while at the park with the twins. Lorna, the nanny for a Duke & Duchess is visiting in the states. When they are ready to return to England, Mr French considers returning with her.
Bill thinks he will have a relaxing day, but the children come in to ask for his help. Jody wants help with a friend, Buffy needs to go to a Brownie meeting, and Cissy wants him to talk to the hospital staff about her being a candy striper.
Buffy makes friends from a lower class neighborhood. French doesn't approve, but Uncle Bill and Buffy hide their upper class status and return to the neighborhood, which leads to some lessons about snobbery for everyone.
Bill falls over one of the twins toys, and realizes they constantly have toys out which makes the place messy. Bill tells the twins that any toy left out will be taken away from them.
Bill is scheduled to take Freddie out to dinner, but also has to go to the twins open house at school. Bill takes Freddie to the school, and she just loves it. She starts to think she wants to have children of her own.
A new family moves into the apartment building where the Davis' live. Stanley is a child with a physical disability that hinders his walking. Buffy and Jody try to be friends with him at school.
Bill brings home a famous actress, Carol Haven. She falls in love with the children and the idea of giving up her career for a life with the Davis family.
The family travels to Terre Haute for a family reunion. Once there, the kids enjoy seeing old friends and old sites. But when Aunt Fran suggests they stay, they decide to return to New York.
Bill entertains friends who are Chinese. The twins are interested by their culture. At the New Year celebration, the twins meet the grandfather and they tell him how fascinating he is. The grandfather gets a new lease on life.
Uncle Bill is working extra hours and the twins miss spending time with him. A co-worker suggests buying a fish tank and using that as a way to promote togetherness.
Bill is looking forward to a vacation, and Cissy is looking forward to her date with someone new. But the weather turns bad, and there is a blizzard. Everyone is kept at home.
Cissy is taking an art class and has been drawing caricature images of the family members, but does not mention one for Mr French. He is hurt at being left out, however, Cissy has his picture and wants to surprise him with it.
Uncle Bill & Mr French attend Buffy & Jody's open night at school to view their latest art and work. At school, Bill meets another single parent with two young children and one teenager. Bill starts dating her and thinking of family merger.
A boy at school likes Buffy but does not talk to her. Cissy thinks the boys do not like her because there is something wrong with her, so Uncle Bill pays to have different people coach her in dress, makeup, talking, walking, and more.
Mr French takes a two-week vacation to the west with the others staying home. When Bill is called away to South America for work, the children end up flying out west to be with Mr French. It makes his vacation more enjoyable.
When French and Bill both have to be out at the same time, Cissy agrees to babysit. Cissy gets a chance to go a concert, so she has a friend take her place. She gets sick, so her mother watches the kids, who then calls her husband ...
When Bill returns home from a business trip, he finds that Cissy's hair style is different, Buffy has a new tooth, and he does not know who Jody's best friend is. Bill decides to stop traveling for his work, and become a full-time dad.
