The Best Episodes Written By Aaron Ehasz

A visit to the spirit realm forces Rayla to make a heartbreaking choice. Aaravos shares a story from his past with Claudia.

Aang is on the offensive after getting hit in the back of his scar and triggering the Avatar State. Meanwhile, after Zuko seems to have the upper hand against Azula, Katara is forced to join the fight when Azula resorts to desperate measures.

Sokka, Suki, and Toph try to stop the Fire Nation's air fleet. Meanwhile, Zuko and Azula duel in an Agni Kai and Aang confronts the Fire Lord.

Determined to save the Dragon Prince at any cost, the friends brace for a fiery showdown with Viren -- who still has a few surprises up his sleeve.

Aang returns from the spirit world to a big surprise. Meanwhile, Zhao and his forces continue to press deeper into the Northern Water Tribe. Iroh makes a powerful stand and Zuko struggles to keep his plan intact.

Everyone races against time to stop Azula's sinister plan. Zuko finds companionship in an unlikely source. Aang's destiny hangs in the balance—and so does Zuko's, as Iroh tells him it's time to make a choice.

While on the island, Aang seeks guidance from his past lives, but is not pleased with what he is told. The island, in fact, turns out to be a lion turtle from which Aang is given the guidance he had been seeking. Meanwhile, after the tracker is unable to track Aang, the rest of the group decide they must find Iroh. While tracking him down, the group meets up with The Order of the White Lotus, a group that transcends the division of the four nations.

After using his gift to help Claudia, Ezran makes an important decision about the quest. Callum wakes up with a new understanding of primal magic.

As the invasion force fights their way to the Fire Nation capital, the kids help Aang find the Fire Lord in time for the eclipse. Zuko confronts his father with shocking news.

The attack on the Magma Titan has devastating consequences for two kingdoms. In his letter, Harrow shares a lie, a secret and a wish for the princes.

Sokka accepts a job for a fisherman who is looking for someone to help him out with his fishing. After the fisherman finds out Aang is the Avatar, Aang runs away in response to the fisherman's hostile reaction. When Katara finds Aang, he begins to reveal his life before he was frozen in the iceberg. Meanwhile, after Zuko gets into a fight with his crew, Iroh tells them about Zuko's complicated past, attempting to make both sides understand each other.

While Aang, Katara and Sokka are traveling, Sokka gets a fever. Katara and Aang try to help Sokka, when Katara also catches the fever. It's up to Aang to go up on his own to save his two friends. But before he can get the medicine he is captured by the newly promoted Admiral Zhao and put in Zhao's fortress.

Andy still hasn't found a job after two months -- not that he's exactly looking for one. His learning about Jim's previously secret career pushes him to become more motivated.

Ezran, Callum and Rayla each put their special talents to use as they make their way up the mountain in a desperate bid to save the egg.

To contact the spirit of the previous Avatar, Aang must reach a temple in the Fire Nation before the sun sets on the following day. There he will learn what he must do to restore balance to the world. Zuko must defy his banishment to follow Aang.

Zhao begins to launch his attack against the Northern Water Tribe. As the walls of the prestiged city begin to fall, the Avatar taps into the spirit world and seeks the help of one of the oldest spirits, in hopes of saving one of the most prominent areas of the world.

In search for an earthbending teacher for Aang, the kids go to an underground earthbending tournament called Earth Rumble 6, where they encounter Toph, a blind but powerful earthbending girl. After seeing her unique style of earthbending, Aang wants Toph to become his teacher, but there are complications with Toph's family.

Aang travels to the Eastern Air temple to receive guidance from Guru Pathik while Sokka is reunited with his long-lost father. Meanwhile, Azula has something diabolical in store for her enemies in the Earth Kingdom, including Zuko and Iroh.

Callum pays a price for dabbling in dark magic. Claudia searches desperately for a way to help Soren, and Ezran makes a heartbreaking discovery.

The day of the eclipse has arrived, and the invasion force gathers together to make last preparations. They infiltrate the island and the battle begins. Meanwhile, Aang searches for the Fire Lord.

Aang struggles to decide whether or not he has to kill the Fire Lord and, during the night, is drawn toward an island which disappears before morning. Zuko leads the rest of the group to the Earth Kingdom to meet a tracker whom they hope can find Aang. The Fire Lord crowns himself Phoenix King and Aang awakens on the island not knowing where he is.

At the summit of the five kingdoms, Viren fights to win the support of a young queen. Flashbacks reveal a key moment from King Harrow's reign.

Rayla and Callum race across the desert to find Nyx. As Katolis prepares for war, Ezran gets help from an unlikely source.

On the march to Xadia, Viren reveals how Avizandum, the Dragon King, met his end. Phoe-Phoe takes Ezran on an epic journey.

Toph's instructing abilities come into question when Aang cannot seem to overcome a block that keeps him from earthbending. Sokka gets himself in a jam, while befriending what was, moments before, his next meal, and Iroh and Zuko begin training utilizing new philosophies and methods that originate from the other elements.