: Unlike many villains, Zhao is not killed by the heroes but is dragged into the Spirit World by the Ocean Spirit. It is later revealed in The Legend of Korra that he was imprisoned for eternity in the Fog of Lost Souls.
serves as the explosive finale to Book One of Avatar: The Last Airbender . Directed by Dave Filoni and written by Aaron Ehasz , the episode brings the major themes of sacrifice and balance to a head as the Fire Nation’s massive armada finally breaches the Northern Water Tribe's defenses. Plot Overview [S1E20] Old Friends
: Consumed by the Avatar State, Aang merges with the Ocean Spirit (forming a giant water creature known as "Koizilla") to obliterate the Fire Nation fleet and end the siege. Key Highlights & Trivia : Unlike many villains, Zhao is not killed
The episode is frequently cited as one of the best in the series, receiving perfect scores for its animation and emotional weight. It resolves the immediate threat of Admiral Zhao while establishing a higher-stakes conflict by labeling Zuko and Iroh as traitors to the Fire Nation. Directed by Dave Filoni and written by Aaron
: This episode marks the first appearance (outside of brief flashbacks) of Princess Azula, setting her up as the primary antagonist for the next season.