Sozin's Comet, Part 1: The Phoenix King

After learning that the gang assumed they could face the Firelord after Sozin's Comet had passed, Zuko reveals to them that it must be done before the comet arrives, as Firelord Ozai plans to use it's power to wipe out the earthbenders completely just as Firelord Sozin did to the airbenders a hundred years ago. To make matters worse, the comet is arriving in three days. Aang begins to struggle with the fact that he will have to kill Ozai in order to stop him, something he feels he cannot do. In the middle of the night he awakens in a trance, and swims out to a nearby island. Unable to find Aang the next morning, the gang travels to the Earth Kingdom to find June, who they know can help track him down. Elsewhere, knowing that after the Earth Kingdom is finally destroyed he will rule the entire world, Ozai appoints Azula the new Firelord, and gives himself a new title; "The Phoenix King".