Malcolm, a smaller than average rat, loves life at McKenna School and the secret society of classroom pets that keep children out of trouble, but when Aggy the iguana disappears Malcolm must use all of his ratty persistence to prove his innocence and save her.

Justin imagines he is an Indian prince with an elephant named Tiny, and soon discovers that taking care of a pet is a big responsibility.

It soon becomes clear that Louis's pet tadpole is not turning into an ordinary frog.

Zeus, a tiny hamster who believes he is the king of the gods, must find the legendary "Golden Fleas" and solidify his position before the other animals at Mount Olympus Pet Center rebel.

With her birthday coming up, Jessica hopes that, just maybe, her present will be a real-live potbellied pig. Jessica can hardly wait for her party with Judy Moody and all their friends. But Judy Moody is acting like a pig-head, and Jessica UN-invites her from the party. To make matters worse, Jessica has snooped around the house and has found zero sign of a pig present. Could her birthday be any more of a disaster?

Peter's wish comes true when he gets a little pet pig who is sometimes good and sometimes bad.

Dink and his friends investigate why pets, like Mrs. Davis's canary, Mozart, are mysteriously disappearing all over town.

Even though his much loved pet fish can swim, eat, and blow bubbles, Max wants an animal that can dance.

After noticing that a visiting hummingbird likes her pink petunias, Annie and her rabbit Snowball, accompanied by Henry and his dog Mudge, fill the garden with pink objects to attract more hummingbirds.

A young girl named Luna circumvents her apartment building's no-pet policy by rescuing a houseplant which she names Stephanie.