Children's animation featuring the girls of DC Comics in their teenage years. In this instalment, Wonder Woman (voice of Grey Griffin), Supergirl (Anais Fairweather), Batgirl (Mae Whitman), Bumblebee (Teala Dunn) and the rest of the girls at Superhero High are called into action when Atlantean twins Siren and Mera (Erica Lindbeck) steal the powerful Book of Legends. The girls must work together and use their collective powers to stop the evil sisters before they locate the Trident of Atlantis and use it to rule the seas.