S3E21: Sozin’s Comet, Part 4 – Avatar Aang Season 3 Admin — May 8, 2022 · 0 Comment Avatar: The Last Airbender 3×21 Sozin’s Comet, Part 4 – Avatar Aang Aang’s moment of truth arrives. Can he defeat Ozai, the Phoenix King? Will he be forced to take a human life? All the characters face their greatest challenges.