"Avatar: The Last Airbender" The Firebending Masters (TV Episode 2008) - IMDb
Directed by Giancarlo Volpe. With Zach Tyler, Mae Whitman, Jack De Sena, Michaela Jill Murphy. Zuko has joined up with Aang's group and is now ready to teach Aang fire bending. Unfortunately, Zuko has found out that he has lost his ability and must now relearn it. Zuko and Aang travel to find the original source of fire bending so that they both can learn from The Firebending Masters.