The Joker has taken over a new candy store in Gotham and plans to swindle all the city's children out of their allowances. Robin and his two super-pets Ace the Bat Hound and Robin Robin move to stop him.
When the evil Cat Crime Club tricks super-dog Krypto into eating a hot dog spiked with red kryptonite so that he cannot stop them from stealing all the Space Canine Patrol Agents' funds he must figure out a way to track them down and redeem himself.
When Lobo's space dolphins disappear, Dawg and Big Ted go searching for them and realize they have fallen under the mind-controlling influence of the evil Starros.
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.
While Swamp Thing is busy stomping out a local forest fire, evil Solomon Grundy and his Undead Pet Club try to revive all the dead pets in the world and take it over. The Down Home Critter Gang must stop their evil plans before it's too late.
When Swamp Thing is called away to help with a fire elsewhere, Solomon Grundy and his zombie pets decide to take over the swamp--and it is up to Ace the Bat-Hound and the Swamp-Pets to repel the invasion.
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.
Starro and his mind-controlling alien starfish have abducted Lobo's space dolphins and Hawkman and his super-pet hawk Big Red and Lobo's pet Dawg try to rescue them.
When Super-Turtle discovers that Streaky the cat's food has been laced with a powerful sedative, he sets out to stop Ignatius Iguana, the villain responsible.