In a war-torn world of elemental magic, a young boy reawakens to undertake a dangerous mystic quest to fulfill his destiny as the Avatar.
Cast: Zach Tyler, Mae Whitman, Jack De Sena, Dee Bradley Baker, Dante Basco, Jessie Flower, Mako
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.
Zuko battles his sister with Katara's help for the right to be named Fire Lord. Elsewhere, Aang meets Ozai just as the comet arrives.
Aang awakes on a mysterious island and confronts his past lives for advice on how to stop the Fire Lord without killing him. The rest of the group searches for Aang.
Sozin's Comet is only three days away. Zuko tells the others what the Fire Lord plans on the day of the comet and the gang realizes that they must stop him before then. But Aang doubts that he can do what is expected of him.
The gang, now hiding at Ember Island, watch a play about themselves and their adventures.
Trying to prove that she can trust him, Zuko helps Katara track down the man who killed her mother.
The escape is planned and the heroes attempt to break from the prison that very day. But problems come when Azula, Mai and Ty Lee arrive at the prison.
Sokka and Zuko infiltrate the ultimate Fire Nation prison, the Boiling Rock. With hopes of freeing his father and his girlfriend, Sokka hatches an escape plan to get them all out.
Zuko has joined up with Aang's group and is now ready to teach Aang fire bending. Unfortunately...
The gang hides out in the Western Air Temple. Zuko tries to convince the gang of his change in heart, but they are very hesitant. Combustion Man/Sparky-Sparky Boom Man attacks again.
The invasion seems to be succeeding until Aang learns that their arrival was anticipated. Zuko confronts his father.
Zuko makes a decision about his future. Aang reunites with many of his old friends in a full-scale invasion of the Fire Nation capitol to coincide with an eclipse which will remove the Fire Nation's powers.
As the invasion approaches, Aang has recurring nightmares about being unprepared to face the Firelord. Zuko feels the perks and pressures of being the prince again.
Creepy things are afoot when the gang meets a mysterious old innkeeper with a secret.
When Toph discovers a quick way to make cash, Katara disapproves, and the rift between them has disastrous consequences.
Both Aang and Zuko must learn the history of how the war began. Zuko learns a secret about his great-grandfather's past.
On a forced vacation, Zuko, Azula, Ty Lee and Mai try to blend in with normal teenagers and learn about themselves and one another. Aang and company are attacked by an ominous assassin.
After deciding he's the least valuable member of the team, Sokka seeks an apprenticeship with a sword-master. The rest of the gang tries to adjust to being without him. The imprisoned Iroh may not be as beaten as he seems.
When Aang and his friends come across a fishing village being poisoned by a nearby factory, a local legend comes to life to help the townspeople.
Posing as a regular kid, Aang goes to a Fire Nation school and sees what's missing from their lives. Zuko visits his uncle in prison.
Weeks after the fall of the Earth Kingdom, Aang and his friends must infiltrate the Fire Nation. Katara meets her father for the first time in years. Zuko returns home, but is uneasy with his newfound reputation.