Watch Avatar The Last Airbender 2003 S03e21 -

The series finale of Avatar: The Last Airbender , titled (Book 3, Episode 21), originally aired on July 19, 2008 . It serves as the definitive conclusion to the war against the Fire Nation and the personal journeys of Team Avatar. Plot Summary: The Battle for Balance

Led by Uncle Iroh, the secret society liberates the occupied Earth Kingdom capital, Ba Sing Se , fulfilling Iroh’s true destiny. Watch Avatar The Last Airbender 2003 S03E21

Sokka, Toph, and Suki successfully disable the Fire Nation's fleet of airships, preventing the scorched-earth destruction of the Earth Kingdom. Critical Analysis & Themes The series finale of Avatar: The Last Airbender

The episode follows four primary fronts of the final conflict during the peak of Sozin’s Comet: Sokka, Toph, and Suki successfully disable the Fire

After being pushed to his limit, Aang's Avatar State is forcibly re-activated. He overwhelms Fire Lord Ozai but ultimately chooses a non-violent path, using Energybending —a technique taught to him by an ancient Lion Turtle—to permanently strip Ozai of his firebending rather than killing him.

Zuko and Katara confront the now-unstable Azula. After Zuko is wounded protecting Katara from a lightning strike, Katara manages to outmaneuver and restrain Azula, who suffers a complete psychological breakdown.