When Tom's big brother decides to become an Evil Scientist, his first experiment involves dunking Frankie the goldfish into toxic green gunk. Tom and his best friend Pradeep know that there is only one thing to do: Zap the fish with a battery and bring him back to life! But, there's something weird about the new Frankie. He's now a BIG FAT ZOMBIE GOLDFISH with hypnotic powers...and he's out for revenge!

Charlie tries to educate his pet goldfish by taking him to school and to the aquarium on a class trip. Includes tips on the care and feeding of goldfish.

When Penelope Rex brings home Walter, the class goldfish, for the weekend, she is not sure how to feel, but when Walter goes missing, Penelope searches high and low for her fishy classmate.

To accomplish her evil plan to flood the town, Bubbles the goldfish has assembled an army of fish hiding in the town pipes, and it is up to Ember the Chihuahua to overcome his fear of water and rally the other pets to stop Bubbles.

When Mr. Hughes finds a fish all alone in the library and names her Library Fish, she knows she's found her true home. Library Fish makes friends in the library and on the bookmobile, checks that books are returned, and absolutely loves story time, when she can listen to all kinds of stories and poems, meet unforgettable characters, and travel around the world and even to other planets! But one day, everything outside is covered in snow and no one...