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Season 1 - Feb. 21, 2005
Season 2 - Mar. 17, 2006
Season 3 - Sep. 21, 2007

Avatar: The Last Airbender Season 3 Episode 12
HD
Overview:
Aang and the group arrive at the Western Air Temple, with Zuko in pursuit. Zuko only wishes to be accepted, and help the Avatar, but will the group allow him to teach Aang firebending?