Dye Hard

S2 E10: Fresh off Ivy rebuffing her and now alone on Christmas Eve, Harley reconnects with a now-sane Joker. With Ivy out of the picture, Harley needs a new best friend and sane Joker seems like the perfect confidant. Harley heads with sane Joker to his favorite hang out spot... Wayne Tower. Their dinner at Wayne Tower gets hijacked by an escaped Riddler as Joker’s old memories start to be triggered. Meanwhile, Gordon deals with the rising parademon infestation, only to end up drawn to the chaos at Wayne Tower as the pests find themselves with a mysterious new master.