Season Three (Book 3: Fire) of "", an American animated television series on Nickelodeon, first showed its 21 episodes on television from 21 September, 2007 to 19 July, 2008. The season was created by Michael Dante DiMartino and Bryan Konietzko, and it starred Zach Tyler Eisen, Mae Whitman, Jack DeSena, Jessie Flower, Dante Basco, and Grey DeLisle as character voices.