High Quality Content by WIKIPEDIA articles! Avatar: The Last Airbender is a 61-episode, Emmy Award-winning American animated television series written and created by Michael Dante DiMartino and Bryan Konietzko. It first aired on February 21, 2005 with a one-hour series premiere and concluded its run with a two-hour TV movie on July 19, 2008. The Avatar: The Last Airbender franchise refers to each season as a "Book", in which each episode is referred to as a "chapter". Each "Book" takes its name from one of the elements that Aang, the protagonist, must master: Water, Earth, and Fire. The show`s first two seasons each consisted of 20 episodes, while the third season had 21. In addition to the three seasons, there were two recap episodes and three "shorts". The first recap summarized the first eighteen episodes while the second summarized season two. The first self-parody was released via an online flash game. The second and third were released with the Complete Second Season Box Set DVD. The entire series has been released on DVD in Region One, Region Two and Region Four.