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.

Mr. Watson's usual Saturday drive in his Cadillac with his favorite pig, Mercy, turns into an adventure when an unexpected passenger shows up in the back seat and Mercy finds herself behind the wheel.

When first-grader Roscoe Riley goes on a school field trip to an apple orchard carrying his sister's fortune-telling ball, the outlook is cloudy.

Discovering a rare four-leaf clover while painting in the clover patch, Sophie Mouse is dismayed when the clover's discovery appears to coincide with a streak of bad luck.

After Mercy Watson follows the delightful scent and delicious taste of the pansies her thoughtful neighbors plant to beautify their yard, animal control officer Francine Poulet is called out to handle the case, which brings unexpected results.

When first-grader Roscoe discovers that his stuffed pig is missing from his backpack, he accuses the class bully of "pig-napping" and gets even by taking the bully's teddy bear.

Thanks to Dr. Bunsen's latest wacky invention, second-graders Gabriel, Laura, and Caesar, aka the DATA Set, are blasted back to the prehistoric era, where they quickly find themselves dashing from flying pterosaurs, stomping stegosaurus stampedes, and a sharp-toothed T-rex.

Ivy and Bean try to make money by writing a newspaper about Pancake Court but the neighbors are not pleased to read about themselves.

Ten-year-old Goose is best at goofing off, but when he decides to become the goalie for their soccer team, his friend Henry sets up a practice schedule and enlists their other friends to help Goose improve his skills.

After second-grader Stink gets an unsatisfactory grade in physical education, his parents tell him he must play a sport and so he masters thumb wrestling, as seen on a sports channel.