Join Batman, Aquaman, the Teen Titans, and more of your favorite heroes in this exciting adventure!

It's summer in Gotham City, and Batman treats Robin, Beast Boy, and Starfire (the Teen Titans) to a day at the new Gotham City Carnival in return for their excellent grades. Little do they know that the carnival is a trap set by The Joker and his friends! It's up to Aquaman, Batman, and the rest of the Justice League to foil their plans. .