Katie Carew's third-grade class spends three days at Science Camp, where Katie magically changes places with the strict Head Counselor while on a hike and gets her group hopelessly lost. Includes directions for making all-natural soap.
When George and Alex are featured as embarassing super villains in their best friend Chris's new comic book, the two of them feel offended and decide to boycott the celebration of the book's publishing.
Sparky heads to Paris, where his new French bulldog friend helps him find delicious food, so in return, Sparky decides to help him find a human friend of his own.
A bet between Jenny and her rival Addie about who will raise more money at the school's fund-raising carnival is thrown into a tizzy when a cool new girl arrives. Will she join Addie's group, or will she help Jenny and her friends.
Katie and her third-grade class go on a field trip to the natural history museum where Katie finds herself magically transported into the body of their tour guide.
