Batman, Batgirl and Robin meetup with The Teenage Mutant Ninja Turtles. The create an alliance with them because The Shredder (enemy of the Turtles) is now teaming up with Batman's villains Ra's Al Ghul and The League Of Assassins. The full cast includes: Darren Criss as Raphael (voice), Tara Strong as Harley Quinn / Poison Ivy (voice), Rachel Bloom as Batgirl (voice), Troy Baker as Batman / Joker (voice), Tom Kenny as The Penguin (voice), John Dimaggio as Mr. Freeze (voice), Kyle Mooney as Michelangelo (voice), Cas Anvar as Ra's al Ghul (voice), Carlos Alazraqui as Bane (voice), Brian George as Alfred (voice), Baron Vaughn as Donatello (voice), Jim Meskimen as Commissioner Gordon / Scarecrow (voice), Eric Bauza as Leonardo (voice), Ben Giroux as Robin (voice) and Keith Ferguson as Baxter Stockman / Two Face (voice).