When the Penguin and his gang steal a rare blue tiger cub from the Gotham City Zoo it is up to Batgirl and Misty, her crime-fighting superpet to catch the thieves, and return the tiger.
When the Cat Crime Club use kryptonite to capture Krypto the Super-Dog along with other members of the Space Canine Patrol Agents and steal money meant for Metropolis' animal shelter, Krypto and his pals have to figure out a way to escape and capture the wicked cats.
When his friends are captured by the evil Dr. Sivana and Dex-Starr the Red Lantern it is up to Shazam's super pet, Hoppy the Marvel Bunny, to use his superpowers to rescue them.
Inside the giant robot he has built, Lex Luthor is rampaging through Metropolis smashing buildings, and it is up to Superhero Cyborg, and his two pet robots, F.E.L.I.X. and M.A.X., to stop Luthor and his mechanical monster.
On a visit to the animal carnival, Hoppy the bunny has to transform into his superhero identity, Marvel Bunny, to save his friends from the evil Mr. Mind and Dribodod.
Best pals Streaky the Super-Cat and Krypto the Super-Dog are annoyed with each other, but when a bank is robbed, they must put their differences aside and join forces to save the day.
A gang of thieves are using a dog and his trainer to help them rob jewelry stores--but Ace the Super-Dog, and his humans Batman and Robin are on the case.