Justice League Unlimited (2004)
A continuation of the Justice League animated series finds the original members of the team joined in their battle against crime and evil by dozens of other heroes from the DC comics universe.
S4 E13
The Last Airbender: The Legend of Korra (2012)
Taking place 70 years after the events of "Avatar: The Last Airbender," this story follows the adventures of the Avatar after Aang - a passionate, rebellious, and fearless teenage girl from the Southern Water Tribe named Korra.