The Anti-Hall monitor app is out of control and Hawkgirl must come out of retirement to fix Batgirls mistake.

It's Pet Day at Super Hero High and DC Heroes such as Wonder Woman, Harley Quinn, The Flash and Batgirl have brought along some of the bravest animals they know to compete in the competition. But when some of the Super Pets start to mysteriously disappear, the heroes will have to enlist the help of the Teen Titans shape-shifting hero, Beast Boy - to locate their missing animal friends.