Monday 14th August 2017
Kevin Conroy, Loren Lester, Melissa Rauch, Paget Brewster, John DiMaggio and Robin Atkin Downes
Bruce Timm, James Krieg, Bob Kane, Bill Finger, Paul Dini, Marv Wolfman, George Pérez, Gil Kane, Sheldon Moldoff, Gardner Fox, Robert Kanigher, Dick Giordano, Joe Gill, Pat Masulli, Len Wein, Bernie Wrightson and Dan Jurgens
Batman and Nightwing are forced to team with the Joker's sometimes-girlfriend Harley Quinn to stop a global threat brought about by Poison Ivy and Jason Woodrue, the Floronic Man.