When Plant Creatures attack major cities around the world, the team is eager to join the fight alongside the Justice League. Instead, Batman assigns them a still more dangerous task - taking out the plants' masters: a secret society of super- villains: the Injustice League!
Quest roles:
Nolan North(Conner Kent / Superboy (voice)), Bruce Greenwood(Batman (voice)), Masasa Moyo(Scientist / Bumblebee / Cat Grant (voice)), Kevin Michael Richardson(Guardian / Green Lantern / Martian Manhunter (voice)), Miguel Ferrer(Vandal Savage (voice)), Dee Bradley Baker(Wolf / Jeremiah (voice)), Brent Spiner(Joker (voice)), Steve Blum(Count Vertigo / Rudy West / Henchy (voice)), Alyssa Milano(Poison Ivy (voice))