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.

Troy Baker
as Batman / Joker (voice)

Eric Bauza
as Leonardo (voice)

Darren Criss
as Raphael (voice)

Kyle Mooney
as Michelangelo (voice)

Baron Vaughn
as Donatello (voice)

Carlos Alazraqui
as Bane (voice)

Cas Anvar
as Ra's al Ghul (voice)

Rachel Bloom
as Batgirl (voice)

John DiMaggio
as Mr. Freeze (voice)

Keith Ferguson
as Baxter Stockman / Two-Face (voice)
Gimly
When I first heard a Batman/TMNT crossover was in the works, right out of the gate I thought it was pretty weird. There's the obvious reasons - it just actually is pretty weird - but also the _Teenage Mutant Ninja Turtles_ setting is like a _Daredevil_ parallel, and Daredevil is a Marvel character, ...