Green Arrow and Plastic Man just catched Solomon Grundy, who ends up with them at the the annual Justice League christmas party, what can go wrong? It all works out with help of the Batman, the Flash and the spirit of Christmas. And although Green Arow tries his best, the rest of the League decides to go to the S.T.A.R. labs christmas party after all.
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.