201 - The Avatar State
Production number: 2x01
Original airdate: March 17, 2006
Short description: Aang and the gang meet an Earth Kingdom general who has big plans for defeating the Fire Nation by using Aang's powerful "Avatar State". This episode will also flash back to past episodes.
202 - The Cave of Two Lovers
Production number: 2x02
Original airdate: March 24, 2006
Short description: On their way to Omashu, Aang, Katara, and Sokka meet a group of nomads who show them a short cut through the "cave of two lovers." But when the kids become lost in the caves, they have to trust in love in order to overcome the curse and get out of the tunnels.
203 - Return To Omashu
Production number: 2x03
Original airdate: April 7, 2006
Short description: 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.
204 - The Swamp
Production number: 2x04
Original airdate: April 14, 2006
Short description: When the kids end up in a mysterious and strange swamp, their fears are exposed. And Aang learns about being "connected to the Earth" from an unlikely teacher.
205 - Avatar Day
Production number: 2x05
Original airdate: April 28, 2006
Short description: Aang and the gang discover an Earth town that celebrates something called "Avatar Day." When they learn that it is not a celebration of the Avatar, but a festival of anti-Avatar sentiment caused by something Aang did in his past, Aang is determined to clear the Avatar's good name.
206 - The Blind Bandit
Production number: 2x06
Original airdate: May 5, 2006
Short description: In search for an Earthbending teacher for Aang, the kids go to an underground Earthbending tournament where they encounter Toph, a blind, but powerful Earthbender. After seeing her unique style of Earthbending, Aang wants Toph to become his teacher, but there are complications.
207 - Zuko Alone
Production number: 2x07
Original airdate: May 12, 2006
Short description: Traveling without Uncle now, Zuko wanders alone into an Earth Kingdom town where he bonds with a local boy. Meanwhile, Zuko is haunted by memories of his own youth.
208 - The Chase
Production number: 2x08
Original airdate: May 26, 2006
Short description: As the kids are pursued relentlessly by a mysterious machine, their exhaustion puts them at each other's throats.
209 - Bitter Work
Production number: 2x09
Original airdate: June 2, 2006
Short description: When Aang struggles with a block while trying to learn Earthbending from Toph, he wonders if the problem is with him or his teacher. Meanwhile, Sokka gets himself in a jam.
210 - The Library
Production number: 2x10
Original airdate: July 14, 2006
Short description: A professor leads the kids to a spirit library in the middle of the desert, where Sokka hopes to discover powerful secrets to use against the Fire Nation.
211 - The Desert
Production number: 2x11
Original airdate: July 14, 2006
Short description: Aang searches for Appa, while Katara struggles to keep everyone together so they can survive in the vast desert. Meanwhile, Uncle and Zuko seek help from an ancient secret society.
212 - The Serpent's Pass
Production number: 2x12
Original airdate: September 15, 2006
Short description: Aang and his friends are prevented from taking the easy route into Ba Sing Se while escorting a family of refugees and are faced with the challenge of making their way through the deadly Serpent's Pass.
213 - The Drill
Production number: 2x13
Original airdate: September 15, 2006
Short description: Aang discovers a secret Fire Nation invention heading straight for Ba Sing Se and must stop it before it destroys the great wall that protects the city from invasion.
214 - City of Walls and Secrets
Production number: 2x14
Original airdate: September 22, 2006
Short description: Aang and the kids finally arrive in Ba Sing Se to see the Earth King, only to find mysterious forces within the city conspiring to stop them. Meanwhile, Jet tries to find proof that Zuko and Uncle are Fire Nation.
215 - The Tales of Ba Sing Se
Production number: 2x15
Original airdate: September 29, 2006
Short description: A series of short stories, highlighting different characters and their individual adventures in the city. Tales of Katara and Toph, Uncle, Sokka, Aang, Zuko, and Momo.
216 - Appa's Lost Days
Production number: 2x16
Original airdate: October 13, 2006
Short description: In this special episode, we go back in time to the moment Appa was stolen, and find out exactly what happened to him, and where's he's been all this time - and where he is now!
217 - Lake Laogai
Production number: 2x17
Original airdate: November 3, 2006
Short description: While searching for Appa, the kids run into Jet, but are torn about whether to trust him or not. Meanwhile, Zuko also hunts for Appa.
218 - The Earth King
Production number: 2x18
Original airdate: November 17, 2006
Short description: The kids battle Long Feng and the Dai Li when they attempt to show the Earth King the vast conspiracy taking place in his city. Zuko becomes seriously ill and has feverish dreams as he faces a spiritual crisis.
219 - The Guru
Production number: 2x19
Original airdate: December 1, 2006
Short description: A guru at the Eastern Air Temple helps Aang take the next step in his Avatar journey. Sokka meets his long lost father. Azula hatches a diabolical plan, and Uncle and Zuko open a new tea shop.
220 - The Crossroads of Destiny
Production number: 2x20
Original airdate: December 1, 2006
Short description: The heroes work together to stop Azula's destructive plans; Katara spends more time with Zuko, who learns the time has come to make a choice about his future. Aang's destiny hangs in the balance - and so does Zuko's, as Uncle tells him it is "time to choose."