A surprising twist occurs on Alligator Al's birthday when a tasty-looking piglet knocks on Al's door.

"An adventurous chicken and her pig friend travel to what they believe is outer space, fueled by their imaginations"--

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.

A young guinea pig explains that self-confidence comes from learning new things without being afraid of making mistakes and to remember that everyone has different qualities that make them lovable.

Gerald the elephant tells his best friend Piggie a long, crazy story about how he broke his trunk.

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).

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.

"Piggie is determined to thank everyone she knows, but Gerald thinks she will forget someone important"--

When his cousin Opal loses a tooth during a visit, Puddle dresses as the Tooth Fairy so that Opal's hope of receiving a shiny quarter will not be disappointed.

"Felix has a new best friend! With take-charge Fiona, anything seems possible, and before Felix knows it, she sweeps him into singing and dancing with her as pixies in the Guinea Pig Jubilee talent show. But right after Felix's first-prize triumph, trouble waits in the wings. "Twinkletoes!" someone taunts, and Felix crumbles. Can he pull himself together and face down the bullies? With a little help from Fiona, can Felix find a magic key that unlocks...