We’ve seen snippets of the show so far — now exult in the brand new trailer for Avatar: The Legend of Korra. This show takes place 70 years after the original series and stars Korra, a disciple of Aang’s son Tenzin. Alas, no firm date has been announced yet, but Korra should air sometime this year. Behold!
https://gizmodo.com/see-the-opening-credits-to-the-last-airbender-legend-o-5864824
https://gizmodo.com/a-new-scene-from-avatar-the-legend-of-korra-featuring-5880369
https://gizmodo.com/first-scene-from-avatar-the-legend-of-korra-shows-our-5876238
Via IGN. Hat tip to Syafiqjabar of Mars!