and the Trouble with Twins (February 1989) - Mallory babysits troublesome twins and tries to convince her parents to let her get her ears pierced. Meanwhile, the twins are trying to express their individuality, and Mallory realizes that she wants to do the same. Jessi Ramsey, Pet-sitter (March 1989) - Jessi Ramsey has to take care of a house full of animals, including troublesome dogs and a snake. Dawn on the Coast (April 1989) - Since her parents' divorce, Dawn lives in Connecticut with her mother, while her brother and father are in California. Kristy and the Mother's Day Surprise (May 1989) - Kristy and The Baby-Sitters Club plan a huge outing as a Mother's Day surprise for their clients. However, Kristy's mother also has a surprise of her own. Mary Anne and the Search for Tigger (June 1989) - Mary Anne's kitten goes missing, and the members of The Baby-Sitters Club are determined to help find him. Claudia and the Sad Good-bye (July 1989) - Claudia's family suffers a great loss when her grandmother Mimi dies. Jessi and the Superbrat (September 1989) - Jessi babysits a famous TV star, who claims that he's being bothered by "John". Jessi nicknames John "The Superbrat", but is Derek, the TV Star, telling the truth? Welcome Back, Stacey! (October 1989) - Stacey's parents divorce and she chooses to live with her mother in Stoneybrook. Mallory and the Mystery Diary (November 1989) - Mallory finds an old diary, which contains a mystery that involves an old portrait. Mary Anne and the Great Romance (January 1990) - Mary Anne and Dawn become stepsisters after Richard Spier and Sharon Schafer marry. Dawn's Wicked Stepsister (February 1990) Dawn and Mary Anne discover that visiting each other as friends and living with each other as family are two different things. Kristy and the Secret of Susan (March 1990) - Kristy babysits Susan, who has autism, and learns that Susan will be going to a special school. Kristy hopes she can convince Susan's parents to let her stay in Stoneybrook. Claudia and the Great Search (April 1990) - Claudia is unable to find any pictures of her as a baby, which causes her to believe that she may be adopted. Mary Anne and Too Many Boys (May 1990) - When Mary Anne and Stacey return to the Jersey shore as mother's helpers for the Pikes, Mary Anne realizes that