When middle schooler Kelly Ferguson's Halloween plans switch from party-going to babysitting, she thinks the scariest part of her night will be the death of her social life. But then Baby Jacob gets kidnapped by the Boogeyman's minions and Kelly learns there's a whole lot more to childcare than free snacks and Netflix. Like chasing shadow monsters, drop-kicking Toadies, and mastering monster-fighting moves like the Naptime Headlock and Playground...

Kelly's been a celebrity ever since she defeated the Boogeyman and his army of nightmares on Halloween. But now all the other monsters want revenge. And if Kelly's going to survive Babysitter Bootcamp, she'll have to face the Spider Queen, whose wicked web turns her parents, BFF, and middle-school teachers into mindless minions. All in a night's work!

Attracted to shy Mary Anne, Logan asks to become a member of the Baby-Sitters Club and gets Mary Anne as his "checker" on his trial job, but Mary Anne is plagued by a series of embarassing episodes.

"Claudia has always been the most creative kid in her class... until Ashley Wyeth comes along. Ashley's really different: She wears hippie clothes and has multiple earrings, and she's the most fantastic artist Claudia has ever met. Ashley says Claudia is a great artist, too, but thinks she's wasting her artistic talent with The Baby-sitters Club. When Claudia starts spending more time with Ashley and missing BSC meetings, it becomes clear that Claudia...

Kristy's mom is getting married, and Kristy is going to be a bridesmaid! The only problem? Fourteen kids are coming to town for the wedding!

Kristy's family moves to a new neighborhood where the kids make fun of Louie, Kristy's pet collie, who's going blind. The Baby-sitters are not going to let them get away with it.