Jody talks about having a job with a man who builds buildings and even gets paid for it. Uncle Bill thinks he is making it up. Bill later meets the man and realizes it is the person he has been trying to meet for a construction project.
Giles French leaves town for a month, so his brother Niles comes to help with the Davis'. Jody is tired of always being around the girls and having to do the things they want to do. Uncle Bill decides to give him some masculine attention.
Jody & Buffy are excited to be moved to Upper First Grade at school, but it means more homework. They do not know how to do the math problems nor read some of the new books. Bill is spending more time dating than helping the twins.
Buffy & Jody have problems with a building project for a school. Bill is hosting a large dinner party, and French has to hire an assistant to help serve the food. Adele turns out to have no experience and only makes things worse for French.
When Bill has to babysit Buffy and Jody, he tells friends that he is stuck with the kids. Buffy overhears this, and the twins start to decide if they should stay with Bill or move to their Aunt Fran's place.
Buffy & Jody's new friend at school has them doing things differently. When Marilyn visits, Bill and French learn she speaks only Mandarin, and the kids communicate through child-speak. French tries his rusty mandarin and insults her.
French congratulates a friend on his upcoming wedding, and makes the comment about how wonderful it will be to have a wife and home. Buffy overhears this and tells Jody they need to find French a wife.
Uncle Bill and French look forward to a week of quiet when the three children are at different camps during a school break. After a few days, Bill and French realize they have grown used to the noise and chaos of children at home.
French's nephew David visits French at the Davis' home. David surprises French by announcing he is going into dentistry instead of being a gentleman's gentleman.
Buffy & Jody enter a cereal contest, hoping to win a boat. But their prize is a lamb. When it arrives at the apartment, they do not understand why a lamb cannot live in an apartment.
Bill takes a week of vacation and plans activities for each day. The Rodeo is in town, and Bill's friend Gabe is one of the cowboys. Bill invites Gabe to stay with them, and the twins want to do everything with him.
Bill thinks the twins take advantage of him and French because they give in to their every wish. Bill says to deny the twins sometimes so they do not get spoiled. Buffy & Jody make a trophy for their uncle, but get sick from the clay.
A friend of Bill's is an actor who wants to shadow Mr French in preparation for a movie role. Meanwhile, Cissy has trouble finding someone to ask to the Girls Tag Day Dance.
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.