"The Avatar and the Fire Lord" is the sixth episode of the third season of the American animated television series Avatar: The Last Airbender, and the 46th episode overall. The show follows Aang, the last airbender and the “Avatar”, on his journey to bring balance to a war-torn world by mastering all four elements: air, water, earth, and fire. On his quest, he is joined by companions Katara, Sokka, and Toph Beifong. The season also follows Zuko as he returns to the Fire Nation only to face his conflicting feelings about his part in the war. The episode was written by Elizabeth Welch and directed by Ethan Spaulding.

Book Three: Fire is the third and final season of Avatar: The Last Airbender, an American animated television series created by Michael Dante DiMartino and Bryan Konietzko. The series stars Zach Tyler Eisen, Mae Whitman, Jack DeSena, Michaela Jill Murphy, Dante Basco, Dee Bradley Baker, Greg Baldwin, Grey DeLisle, and Mark Hamill as the main character voices.