The animated worlds of the 2012 Teenage Mutant Ninja Turtles Nickelodeon cartoon and Batman: The Animated Series come together in this exceptional miniseries featuring villains and allies from both universes!

In this new pocket-sized edition (6" x 9") of the 2017 series, villains start to mysteriously escape Arkham, and Batman tries to track them down, only to find that they have left Gotham entirely... and gone to the New York City of the Teenage Mutant Ninja Turtles!