While his human Elliot adjusts to his new home and stepfamily, Gizmo, an evil genius guinea pig, searches for a new evil lair where he can plot to take over the world, but Gizmo is constantly thwarted by Elliot's little stepsister Jasmine (who likes to play dress-up), Abuela (who may or may not like to eat cavies), and Wedgie (a Corgi superhero and Gizmo's nemesis).

Poppy the deer mouse urges her family to move next to a field of corn big enough to feed them all forever, but Mr. Ocax, a terrifying owl, has other ideas.

Lucie visits the laundry of Mrs. Tiggy-Winkle, a hedgehog, and finds her lost handkerchiefs.

Ragweed, a young country mouse, leaves his family and travels to the big city, where he finds excitement and danger and sees cats for the first time.

A little guinea pig is quite lonely until, one by one, nine others, plus ten of their moms or dads, add to the general excitement.

While Gizmo continues his quest to take over the world, Wedgie and his best friend, a micro-pig who lives next door, team up to stop him.

Georgia enlists her fairy friends when her guinea pig sparky is stolen.

Poppy, accompanied by her troublesome son Junior, his skunk friend, and Uncle Ereth the porcupine, responds to a summons to return to her ancestral home, Gray House, to save the mice there from destruction by a bulldozer.

When his mother brings home a guinea pig instead of the dog he has always wanted, fifth-grader Rufus is not happy--until the rodent starts acting exactly like a dog.

"Maisy and her friends can't wait to play soccer! Maisy puts on her uniform, laces up her sneakers, and heads to the field. Charlie, Tallulah, and Dotty are on the blue team, while Maisy, Cyril, and Eddie are on the red. Let's play! Soon enough the game heats up, with plenty of action, excitement, and suspense. Who will be the first team to make a goal? Whatever the score, it's all in good fun, and everyone is still the best of friends at the end!"--...