When Timmy decides that he wants to stay up all night Cosmo and Wanda grant his wish to do away with bedtime altogether. Unfortunately, his parents go to an all-night card game, leaving him with his evil baby-sitter, Vicky!
When Jessi's mom goes back to work, Aunt Cecilia moves in with the Ramseys to help out. Jessi is mortified that she has a baby-sitter and can't stand her aunt's bossy ways.
Claudia has always been the most outrageous girl in her class...until Ashley Wyeth comes along. Ashey's really different - she dresses in hippie clothes, wears six earrings, and is the most fantastic artist Claudia has ever met. Ashey says Claudia has artistic talent, too. She thinks Claudia should spend more time on her "calling" and forget about the Baby-sitter's Club: It's just a waste of time. The Baby-sitters are sick of Ashley Wyeth, and they think Claudia's a traitor. Claudia's got to decide: either the Baby-sitter's Club or the new girl - one of them's got to know.