Avatar Book 3 Fire Episode 12 - The Western Air Temple Episode Title:The Western Air Temple.Episode Description:Zuko follows Aang and his friends to the Western Air Temple, seeking to join their group. There, Zuko desperately tries to prove to them that he has changed for the better and wishes only to atone for his past mistakes. It is only after Zuko helps save them from his assassin that he receives their acceptance as Aang's firebending teacher and the fifth member of Team Avatar. However, an embittered and cautious Katara still refuses to trust that Zuko has really changed and threatens to take his life at the slightest sign of treachery.