Check out the new trailer for Avatar: The Last Airbender! Season 2 streaming on Netflix June 25, 2026. "Avatar: The Last Airbender" is a live action adaptation of the animated original. In a world with four elemental nations, siblings Katara and Sokka must accompany the young Avatar Aang on his perilous journey as he learns to master the elements and stop the Fire Nation. © Netflix International B.V.