The trouble-making imp Mr. Mxyzptlk, casts a spell on Krypto, Superman's super-pet, forcing the super dog to perform a series of practical jokes, until he figures out how to break the spell.

"When an evil old lady opens a candy store in Gotham, Dick Grayson and his friends can't resist her terribly sweet treats. Luckily, the Boy Wonder's pet, Robin Robin, has a bird's-eye view of the sugary scheme. But the hairy truth behind Granny's grand plan will surprise even this early bird."--Page [4] of cover.

In the farmland outside Gotham City, all the farm animals are under the control of the Mad Catter, who is making them behave in bizarre ways and steal all the crops--can the Batcow defeat this mad kitty?

Atlantis is under attack by the evil Ocean Master, and it is up to Aqualad, the Mermaid Nicoletta, and their superpets Fluffy the goldfish and Betty the beluga to defeat the supervillain.