With the help of an ancient Kryptonian power, Lex Luthor unites the world�s Super-Villains to capture all of Earth’s Super Heroes, until�only the DC Super Hero Girls are left to stop the Legion of Doom. Our heroes must cross dimensions to rescue their fellow Super Heroes from the Phantom Zone, but a fortuitous wrong turn leads them to Titans Tower � where they find much-needed allies in the Teen Titans!