Batman: The Animated Series: Season 1, Episode 9: Pretty Poison
Starring: Kevin Conroy, Bob Hastings, Adrienne Barbeau, Herb Edelman, Kate Mulgrew, Neil Ross, Frank Welker, Mary McDonald-Lewis
Length: 22 minutes
On Air Date: 14 Sep 1992
Batman The Animated Series: S01E09 Description: When Harvey Dent is poisoned with derivative from an extinct flower, Batman must hunt down the assailant who has the antidote, the villainous plant fanatic Poison Ivy.