The Joker is back with a vengeance and Gotham's newest Dark Knight needs answers as he stands alone to face Gotham's most infamous Clown Prince of Crime.
Mark Hamill
The Joker
Tara Strong
Batgirl
Mary Scheer
Mrs. Tim Drake
Michael Rosenbaum
Ghoul
Scooby-Doo! Return to Zombie Island
2019
