Sozin's Comet, Part 4: Avatar Aang

Aang unleashes the full power of his long-dormant Avatar State to fight back against the Fire Lord, but can he end his reign of destruction without taking his life? Can Sokka, Toph, and Suki escape the fallen airships? Will Katara be able to defeat an unstable Azula in time to save Zuko's life? The final battle ends here!