They are called chapters. The seasons are called books.
You can get "Avatar: The Last Airbender" episodes on iTunes.
You can watch them at Kumby.com
Avatar: The Last Airbender consisted of 3 seasons and 61 episodes that were released from February 21, 2005 - July 19, 2008.
Avatar: The Last Airbender
No. The series ended in 2008.
Michael Dante DiMartino , Bryan Konietzko , Aaron Ehasz and Tim Hedrick all write the episodes of "Avatar : The Last Airbender".
The Cave of Two Lovers
the second to last episode in the second book (earth)
Avatar: The Last Airbender has ended but a twelve episode mini series called Avatar: The Legend of Korra will be based about a hundred years after ATLA and following the new avatar.
Yes its called the Last Airbender
nick has stopped airing it but you can watch it on avatarchapters.org
go to youtube.com just type in avatar the last airbender episodes and from there it should give you links to some different sites.