Claudia takes a baby-sitting job looking after Betsy, a girl who is known for her practical jokes, and when one of Betsy's pranks results in a broken leg for Claudia, her baby-sitting days may be through.

While helping restore an abandoned country club, Abby and the Baby-sitter Club become involved in a decades-old murder mustery involving a secret blackmailing ring.

Braid Beard and his pirate crew return to retrieve the treasure they buried in Jeremy Jacob's backyard, but first they must help calm his baby sister, Bonney Anne, whom they awoke from her nap.

When a fight breaks out among the members of the Babysitters Club, timid Mary Anne finds herself becoming more assertive as a baby sitter and in her relationships with her father and friends.

Jessi is a little nervous when she's chosen to participate in the synchronized swimming event for the Stoneybrook Middle School Sports Festival. Although she's a great ballet dancer, performing ballet in water isn't easy.

When Stoneybrook is paralyzed by a massive blizzard, Dawn and her mother get stranded at the airport, Jessi is snowed in at her dance school, and Kristy's boyfriend gets stuck overnight at her house. Claudia, Mary Anne and Mallory are all baby-sitting, but no one has heard from Stacey--could she be trapped somewhere on the way back from the mall?.

Amy and Brad's parents go to the movies, leaving them with a babysitter who knows just what to do to make them happy.

Mary Anne feels as if she will crack when she and Logan have to play pretend parents to an egg for their Modern Living class, as well as take care of twins

Kristy gets the great idea of entering a float in the Stoneybrook Baby Parade. It sounded easy, but the float looks like a big orange blob, the costumes are hideous, and the babies won't stop crying.

Jessi can't wait to get to New York City to see her friend Quint dance in his first big ballet.