Gotham’s Harley Quinn precursor set to debut later this season Following the return of the show’s Joker-to-be, Jerome, in last night’s episode, TV Guide caught up with Gotham executive producer John Stephens, who revealed that the show will be bringing its version of a Harley Quinn-like character to the series. “We might see [her] in Episode 22,” Stephens said, teasing the character will be the “launching point” for the main plot of the show’s fourth season. In further Gotham news, you can check out the promo for episode 3.13 in the player below!