The series follows the lives of teenage heroes and sidekicks who are members of a fictional covert operationgroup referred to simply as The Team. The Team is essentially a young counterpart to the famous adult team, the Justice League. The main setting is a fictional universe apart from the previous DCAU and other continuities (designated at one point as Earth-16,) during a time period in which superheroes are a relatively recent phenomenon.
The series debuted with an hour-long special on November 26, 2010 with the airing of the first two episodes, "Independence Day" and "Fireworks". Young Justice premiered on September 9, 2011 on Teletoon, in Canada. After airing its second season, titled Young Justice: Invasion, the series was canceled alongside fellow DC Nation show Green Lantern: The Animated Series in spring 2013. On November 7, 2016, Warner Bros. Animation announced that the series would be returning for a third season.