High Quality Content by WIKIPEDIA articles! "Sozin`s Comet: The Final Battle" is the series finale for the Nickelodeon television series Avatar: The Last Airbender. It was directed by Ethan Spaulding, Giancarlo Volpe, and Joaquim Dos Santos, and written by Michael Dante DiMartino, Bryan Konietzko, and Aaron Ehasz. Though intended to be split into three parts, the finale aired as a two-hour four-part movie on July 19, 2008. Prior to the week of July 14–19, no episodes had been shown since November 30, 2007. The Saturday airing of Sozin`s Comet acted as a climax to a week of ten new episodes that concluded Avatar`s third season.