In Avatar: The Last Airbender , Season 2, Episode 13 is commonly identified as or "City of Walls and Secrets," depending on the specific broadcast order or streaming platform. Episode Details
: Offers the full series for streaming, including Season 2, Episode 13 . AVATAR S02 E13 IN ENGLISH.mp4
: In " The Drill ," Aang and his friends must stop a massive Fire Nation war machine from breaching the outer wall of Ba Sing Se. In "City of Walls and Secrets," they finally enter the city and discover the unsettling influence of the Dai Li. Original Air Date : September 15, 2006 ("The Drill"). Where to Watch in English In Avatar: The Last Airbender , Season 2,