The series is set in a fictional world where human civilization is divided into four nations based on the four classical elements: the Water Tribes, the Earth Kingdom, the Fire Nation, and the Air Nomads. In each nation, some people known as “benders” can telekinetically manipulate one of the four elements. The story follows the journey of twelve-year-old Aang, the last survivor of the Air Nomads and the next “Avatar” who can master all four elements. The series was first announced in September 2018, with DiMartino and Konietzko attached as both executive producers and showrunners. However, in June 2020, the pair departed the series over creative differences. In August 2021, Kim was officially announced as a writer, executive producer and showrunner. The first season was released on Netflix on February 22, 2024, and garnered mixed reception from critics. In March 2024, the series was renewed for a second and third season.

Premise
The series is set in a war-torn world where certain people can “bend” one of the four classical elements—water, earth, fire or air. Aang, the “Avatar” and the last living Airbender, is the bridge between the mortal and spirit worlds, and the only one capable of bending all four of the elements instead of just one. The Avatar maintains the balance of the world and nature to bring peace, and Aang is now faced with the responsibility of ending the ambitions of the militaristic Fire Nation to conquer the world. With his new companions Katara and Sokka, Aang sets out to master the four elements while pursued by Zuko, the exiled crown prince of the Fire Nation, who seeks to regain his honor by capturing him.