Zuko, Azula, Mai and Ty Lee go on vacation to Ember Island, where they learn much about themselves and one another. Meanwhile, Aang and the rest are being chased by an assassin, known as "Combustion Man", that Zuko hired, who has ...

A meteor shower occurs, and when a crater starts to burn, Sokka can only watch as the others work to prevent the fire from hitting a nearby village. Wanting to contribute better to the group and not feel left out, Sokka looks for an elusive...

Following a long polluted river, Aang and the others continue their travels toward the Fire Lord. Aang spots a rather dinky looking village on the river and they head over for food. The group pretends to be from the Earth Colonies. Seeing t...

Aang and the rest of the team steal Fire Nation clothes, but Aang finds out he stole a school uniform, and is taken to a Fire Nation school by soldiers who believe he is skipping class. Meanwhile, Zuko is becoming paranoid with the Avatar&#...

As Aang wakes up, he finds himself crippled and with hair, on board a Fire Nation ship with the gang, Bato and Hakoda all in Fire Nation disguises. Aang finds out what has happened since he entered his coma and is told to keep his continued...

A coup is staged by Azula with the Dai Li and the Earth Kingdom has fallen, Aang is critically injured, Zuko betrays his uncle. The group escapes along with the Earth King and Bosco, but must now form their battle plans from scratch.

Aang starts to learn control of the Avatar State from Guru Pathik at the Eastern Air Temple. Sokka is reunited with his father. Toph teaches herself "metalbending" while Xin Fu and Master Yu are transporting Toph back to her paren...

The gang breaks into the Earth King's palace to talk to him about the war, Long Feng, and the Dai Li. At their new house, Zuko falls spiritually ill as his latest action has set a different course for his future.

The gang continues looking for Appa, so Long Feng tries to throw them off by sending Jet to make them leave the city. They meet up with Longshot and Smellerbee and realize Jet was brainwashed. Elsewhere, Zuko discovers that Aang is in the c...

This episode starts during the events of "The Library" and shows Appa's abduction and his various adventures over the next few weeks. These include performing in a Fire Nation circus, revisiting the former site of Wan Shi Ton...

Katara and Toph have a girls' day out. Iroh helps out people in town. Aang helps a zookeeper build a new zoo. Sokka accidentally ends up in a poetry club. Zuko goes out on a date. Momo looks through Ba Sing Se for Appa. This episode wa...

Aang and the kids finally arrive in theEarth Kingdom's capital, Ba Sing Se, to tell the Earth King about the opportunity the coming eclipse offers to attack the Fire Nation, only to be stopped by mysterious forces within the city. Mean...

Aang discovers a secret Fire Nation super weapon heading straight for Ba Sing Se and must stop it before it destroys the great wall that protects the city from invasion. Meanwhile, Jet wishes to recruit Zuko for his Freedom Fighters, but le...

After leaving the desert, the group and Suki attempt to lead a couple who are expecting through the dangerous Serpent's Pass. While Zuko and Iroh are on the ferry to Ba Sing Se, they meet Jet, who is trying to turn his life around. Jet...

Since Appa was captured, the gang walks across the desert to tell the king of Ba Sing Se about the Fire Nation's secret. Aang is angry and sad over Appa's capture. Elsewhere, a secret society helps protect Iroh and Zuko from the F...

A professor tells the gang about a Spirit Library full of information, hidden in the desert. Sokka decides to find the desert library in hopes of finding secrets and weaknesses about the Fire Nation. The Knowledge Spirit refuses to let them...