Nancy and her friend Bree explore the fascinating world of birds and insects in their exclusive and glamorous Explorers Extraordinaire Club.

While trying out the spy glasses, spy hat, and other items in their new spy kit, seven-year-old Henry and his dog Mudge make a new friend and form a spy club.

While searching for the Rat with the Human Face, friendships fray as club members Dave and Lyle compete for Marilla.

When a broken ankle forces Marion to withdraw from the horse show, she finds a way to stay active by helping her friends at the Critter Club animal shelter find homes for a litter of kittens.

Principal Vance warns Alec to pay attention in class, or else--but Alec loves reading too much. So, he starts the Losers Club, intending to be the only member, just to have free reading time to himself. Astonishingly, other kids join the club, and Alec begins to realize that his life could be just as interesting as the stories he loves.

On a cold, dark night perfect for scaring, Fran is making a valentine, causing other members of Fright Club to howl and hiss over the idea of being in love.

One, Two, Kat, and Four want to form a club so together they figure out how to make a sign saying what their club should be called.

"Claudia's not worried when she hears her newest baby-sitting charge, Betsy Sobak, is a great practical joker. After all, how much harm can one little girl do? Plenty. Claudia breaks her leg as a result of one of Betsy's mean jokes... and now she's talking about quitting the club. Baby-sitting, she says, is just too dangerous. Kristy thinks Betsy needs to be taught a lesson. She also thinks the Baby-sitters are just the ones to do it. Watch out,...

As the monsters of the Fright Club prepare to scare children on Halloween, an adorable little bunny tries to join the club.

Despite her parents' rules about the Qwikpick Adventure Society, Marilla and her friends are off on another adventure when they hear a local legend about a slave owner's grave.