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 defeats the Fire Lord by bending the elements within the Fire Lord and removing his firebending abilities. After Zuko is taken down protecting Katara from Azula, Katara joins the fight and manages to restrain Azula. Afterwards, Zuko is crowned Fire Lord and promises a better future for the world, while Aang takes his place as the next Avatar. Katara finally shows her love for Aang as they kiss under the setting sun.

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. On the verge of losing, Aang gets hit in the back of his scar which sends him into the Avatar State.

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.

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.

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.

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.

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.

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.

Ellis leads the friends to the Cursed Caldera but warns it's crawling with nasty monsters. Viren tries to force Runaan to talk.

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.

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. After the tracker is unable to track Aang, the rest of the group decide they must find Iroh. Meanwhile, while tracking down Iroh, the group meets up with The Order of the White Lotus, a group that transcends the division of the four nations.

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

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.

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.

Aang, Katara and Sokka have run out of money. Katara suggests Sokka get a job, and coincidentally, they meet a fisherman who is looking for someone to help him out with his fishing. But when the fisherman recognizes Aang as the Avatar, he blames Aang's absence for all of the troubles of the last 100 years, and Aang runs away on his glider. Katara follows on Appa, and when she finds him, Aang begins to reveal his life before he was frozen in the iceberg. Meanwhile, Zuko and Lieutenant Jee get into a fight, but Iroh breaks it up. Soon thereafter, the Lieutenant and the rest of the crew gain a newfound respect for their leader after learning of his past.

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.

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.

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.

After a run-in with a soldier, Rayla leads the princes to high ground. Viren gives Soren and Claudia secret orders as they set out on their mission.

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.

A mysterious stranger offers Rayla, Callum and Zym a ride across the Midnight Desert. With Katolis in danger, Ezran makes a startling announcement.