Source:io9
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Episode Synopsis:
Artemis and Zatanna decide to go partying on Halloween night, only to discover that a youthful assassin, Harm, has set his sights on them.
Young Justice is an American animated television series created by Greg Weisman and Brandon Vietti for Cartoon Network. Despite its title, it is not an adaptation of Todd Dezago and Todd Nauck's Young Justice comic series, but rather an adaptation of the entire DC Universe with a focus on young superheroes. The series follows the lives of teenaged heroes and sidekicks who are members of a fictional covert operation team called Young Justice. The team is essentially a young counterpart to the celebrity-level famous adult team, the Justice League. The main setting is the fictional universe of Earth-16, during a time period in which superheroes are a relatively recent phenomenon. The series debuted on January 7, 2011 with a two week reairing of the first two episodes, which originally aired as an hour long special on November 26, 2010. Young Justice premiered on September 9, 2011 on Teletoon, in Canada.
Young Justice resumed airing new episodes September 16 at 6:30 PM Eastern on Cartoon Network after a 6 month hiatus.