When the android Amazo attacks and duplicates the abilities and powers of Superman, Wonder Woman, Batman, Flash, Green Lantern, and Martian Manhunter, the strange super-villain Bizarro becomes the Justice League's last hope to turn things around.
The Justice League is back, 'with lightning-paced action and heroics'. This show will be including everyone: Superman. Batman, Wonder Woman, Hawkman, Green Arrow, Zatanna, Shazam, the Flash, Blue Beetle, Plastic man, Martian Manhunter, Lobo, Zatanna, the Demon, Dr. Fate and fan favorites like Harley Quinn and many more. Justice League Action, will also reunite the Batman Animated Series voice talents of Kevin Conroy as the Batman and Mark Hamill as the Joker.