Mrs. Bell challenges her science students to invent their own robots but when they start malfunctioning it becomes up to the DATA Set to deprogram the machines before an army of robots take over the school.

Preparing for a major winter storm, Bramble and Maggie anticipate playing in the deep snow and wind up helping trapped neighbors before sharing an impromptu block party of marshmallows and cocoa. The sky is white, the air is cold, and snowflakes are falling, tickling Bramble's back. By bedtime, Maggie and her family are ready for the storm: they've shopped for supplies, covered Bramble's hay with a tarp, and filled the bathtub with extra water. But...

When Nancy Clancy finds out that both her guitar teacher, Andy, and her favorite babysitter, Annie, have broken up with the people they were dating, she decides to make them fall in love on Valentine's Day.

When master prankster Miles Murphy moves to sleepy Yawnee Valley, he challenges the local mystery prankster in an epic battle of tricks but soon the two join forces to pull off the biggest prank ever seen.

"A mysterious spell has hypnotized the fairies on the island of Primlox and it's up to Prince Lucas and Clara to save them"--

The magic tree house takes Jack and Annie back in time to feudal Japan where the siblings learn about the ways of the Ninja.

Buzz is writing a fairy tale for homework, and Fly Guy naturally assumes the role of a handsome prince, who fends off a giant and rescues a beautiful princess.

After Mercy the pig snuggles to sleep with the Watsons, all three awaken with the bed teetering on the edge of a big hole in the floor. To Mr. and Mrs. Watson, Mercy is not just a pig -- she's a porcine wonder. And to the portly and good-natured Mercy, the Watsons are an excellent source of buttered toast, not to mention that buttery-toasty feeling she gets when she snuggles into bed with them. This is not, however, so good for the Watsons' bed....

Rosie Revere is no stranger to flops and fails, kerfuffles and catastrophes. After all, engineering is all about perseverance! But this time, Rosie has a really important project to tackle--one that feels much bigger than herself. Rosie's beloved Aunt Rose and her friends, the Raucous Riveters--a group of fun-loving gals who built airplanes during World War II--need help inventing something new. And Rosie is just the engineer for the job! After one...

When she decides that the articles in the latest issue of the Third Grade Gazette are not interesting enough, Nancy sets out to find some news worth reporting on.