Avatar: The Last Airbender's final season is often viewed as the best in the series, and its greatest episodes demonstrate ...

Azula and Zuko attack Aang and Katara in the crystal caves of the Earth Kingdom. The Dai Li show up to help Azula, so Aang decides he needs to enter the powerful Avatar state in order to win.

He decides to join team Avatar (i.e the good side), and teaches Aang firebending but there's a slight problem; Zuko can't firebend anymore. In the series we gradually see the decline in Zuko's ...