Batman, Batgirl and Robin forge an alliance with the Teenage Mutant Ninja Turtles to fight against the Turtles' sworn enemy, The Shredder, who has apparently teamed up with Ra's Al Ghul and The League of Assassins.
A beast named Bunsen, who is the first beast in his human school, and Mikey Monroe, his human friend, try to navigate through school life when a girl named Amanda wants Bunsen gone so that his kind will suffer from extinction.
