The human race is threatened by a powerful creature, and only the combined power of Superman, Batman, Wonder Woman, Green Lantern, Martian Manhunter and The Flash can stop it. But can they overcome their differences to thwart this enemy using the combined strength of their newly formed Justice League?

"We stand, today, on the edge of a new frontier..."

Credits

Dave BullockDirector

David BoreanazHal Jordan / Green Lantern (voice)

Miguel FerrerJ'onn J'onzz / Martian Manhunter (voice)

Neil Patrick HarrisBarry Allen / The Flash (voice)

John HeardAce Morgan (voice)