Aang and the group meet an Earth Kingdom general who wants to use Aang's powerful "Avatar State" as a weapon to defeat the Fire Nation. But getting into the "Avatar state" on purpose is more difficult than Aang thinks. (TV-Y7)

When the kids get lost in the caves, they must trust in the power of love to escape. (TV-Y7)

The kids return to Omashu so that Aang can learn Earthbending from King Bumi. But when they get there, they are shocked to find the city is now in Fire Nation hands. Despite the danger, Aang enters Omashu in search of King Bumi. (TV-Y7)

The gang stumbles into a strange swamp where all of their fears are exposed! (TV-Y7)

Can Aang use the present to fix a mistake he made in the past? (TV-Y7)

At an underground Earthbending tournament, Aang finds the perfect teacher. (TV-Y7)

While traveling without his Uncle, Zuko is haunted by memories of his youth. (TV-Y7)

A mysterious machine chases the kids. Can their friendship survive the stress? (TV-Y7)

When Aang struggles with Earthbending, he thinks that Toph is to blame. (TV-Y7)

What secrets will the spirit library hold? Sokka hopes to use them against the Zuko! (TV-Y7)

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Uncle and Zuko seek help from an ancient secret society! (TV-Y7)

After leaving the desert, the group meets up with Suki, and attempts to lead a couple through the Serpent's Pass. They are attacked by a giant serpent, but ward it off and make it across. Meanwhile, Zuko and Iroh are also on their way to start a new life in the Earth Kingdom capital of Ba Sing Se, and encounter Jet and some of the Freedom Fighters, with whom Zuko starts to bond. The group finally makes it to Ba Sing Se only to find the Fire Nation is about to send a gigantic drill to destroy the city's wall. (TV-Y7)

Having successfully crossed the Serpent's Pass, Aang is determined to go to Ba Sing Se where he hopes to find his lost bison, Appa. However, he discovers a Fire Nation drill heading straight for Ba Sing Se, intent on penetrating the wall. Aang and the group succeed in stopping and destroying the drill from the inside. Meanwhile, Jet wishes to recruit Zuko for his Freedom Fighters, but learns that Zuko and Iroh are Firebenders. (TV-Y7)

Aang and the rest of the group arrive in Ba Sing Se to find Appa and inform the Earth King about the solar eclipse, but they are constantly hindered by their tour guide, Joo Dee. They soon learn that any mention of war is forbidden and enforced by the Dai Li, secret police of Ba Sing Se, and their corrupt leader, Long Feng, who appears to know something about Appa. Elsewhere, Jet repeatedly tries and fails to gather evidence that Zuko and Iroh are Firebenders. His last attempt, challenging Zuko to a sword fight, ends in his own arrest. (TV-Y7)

Don't miss any of Aang's actions, Sokka's story, Toph's tale and Momo's musings! (TV-Y7)

Appa's been missing for days! What happened to him while he was gone? And where is he now? (TV-Y7)

The kids run into Jet. Can they trust him or is this another dangerous trick? (TV-Y7)

Can the kids convince the Earth King of a conspiracy before it's too late? (TV-Y7)

Aang takes his next steps in the Avatar journey with the help of a new guru. (TV-Y7)

It's a race against time! Can anyone stop Azula's sinister conquest of Ba Sing Se? (TV-Y7)