Korra struggles to find a deeper connection with the Spirit World as she and the gang attend a Southern Water Tribe festival.

While tensions flare between the Northern and Southern Water Tribes, Korra struggles to remain neutral.

When the President of the United Republic refuses to help Korra, she decides to take matters into her own hands.

Korra learns about the epic and mythic origins of the first Avatar.

Korra seeks Tenzin's help to enter the Spirit World for the first time.

When President Raiko is attacked, Bolin saves the day.

Korra discovers a new twist in Unalaq's evil plan. Meanwhile, Tenzin realizes he must face his own demons in order to save his daughter.

Tenzin, Jinora, and Team Avatar travel toward Ba Sing Se in order to find the new airbenders. Stopping at various villages along the way, they hope to recruit them in order to rebuild the Air Nation, though with little success as they were only able to convince a young boy named Kai to join them. Meanwhile, Zaheer travels the four nations to free his fellow criminals from their prison. After freeing Ghazan and Ming-Hua, they set course for the Northern Water Tribe to free their last member, P'Li. Upon learning of their escape, Lord Zuko sets course for the Northern Water Tribe himself in an attempt to stop them.

Korra's quest leads her and her friends to the metal city of Zaofu.

Zaheer and his gang try to kidnap Korra.

Mako and Bolin deliver an ominous message from Zaheer.

It's been three years since Zaheer poisoned Korra and the members of Team Avatar have moved on with their lives; Kai and Opal help a struggling Earth Kingdom town.

While the young airbenders look far and wide for Korra, Ikki is briefly captured by two Earth Empire soldiers. Based on what they say, Ikki leads the trio to the swamp. There, Korra is still haunted by visions of being hurt by her past enemies, but manages to connect to the siblings through the great banyan-grove tree's roots. After they beg her to resume her Avatar duties to face Kuvira, Toph's advice helps Korra to let go of her fears, bend the rest of the poison out of herself and re-enter the Avatar State.

Korra returns to Republic City and Team Avatar faces their first mission together in three years when Prince Wu goes missing; Bolin and Varrick are on the lam.

Korra and Team Avatar try to stop Kuvira from moving against Republic City; Kuvira unveils a deadly new weapon.