Watch Avatar The Last Airbender 2003 S03e21 [RECOMMENDED]
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.
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 Watch Avatar The Last Airbender 2003 S03E21
The finale is widely celebrated for its emotional depth and animation quality, though it remains a subject of discussion among fans for specific narrative choices: After being pushed to his limit, Aang's Avatar