Avatar: The Last Airbender - Book Three: Fire

Synopsis
Fire promises to be the most exciting season yet! Aang wakes up from his battle with Azula to discover that Ba Sing Se has fallen and the world thinks he's dead. So he and his friends set off undercover across the Fire Nation to find Firelord Ozai before the Day of Black Sun. However, Princess Azula, who is always one step ahead, spoils the invasion plans and forces the gang to flee. Meanwhile, Prince Zuko returns home as the triumphant son, but soon finds the honor he so greatly craved from his father is worthless. New alliances are formed and Team Avatar forges a new plan to stop the Firelord. But will they find him in time?

(Source: iTunes)