The Last episode was Avatar Aang which was part 4 of Sozin's Comet
Avatar the Last Airbender , Book 1 episode 14 - The Fortuneteller .
Sozin's comet. Avatar Aang.
November 12. 2007 is when the last episode aired.
Book 3 Episode 8
It's the season One episode The King of Omashu
That Episode is in: Book 1 Water Chapter: 14 Titled: The Fortuneteller
Episode 27/61
The name of the Avatar last Airbender is Aang
avatarchapters.org
"The Headband"
no
no its ended but they are planning on making Avatar The Legend of Korra