Why it’s a good option for Harley Quinn fans: Batman vs. Two-Face (featuring Adam West’s final portrayal of Batman) hinted at the beginning of Dr. Harleen Quinzel’s (Sirena Irwin ...
Harley Quinn first appeared in a 1992 episode of Batman: The Animated Series called "Joker's Favor," which was the show's 22nd overall. Initially, Harley was kind of just a nameless henchwoman ...