Avatar: The Last Airbender is an American animated television series that currently airs on the Nickelodeon television network. Set in an Asian-influenced world of martial arts and elemental magic, the series follows the adventures of the successor to a long line of Avatars, Aang, and his friends in their quest to save the world from the ruthless Fire Nation.

Originally slated to begin airing November of 2004, Avatar: The Last Airbender debuted on TV on February 21, 2005. Michael Dante DiMartino and Bryan Konietzko are the creators and executive producers of the series. The show receives high ratings in the Nicktoons lineup, even outside its intended 6-to-11-year-old demographic. Avatar: The Last Airbender is popular with both audiences and critics, garnering 4.4 million viewers on its best-rated showing.