Episode: 21 The Avatar State Aired: 3/17/2006 Writer: Elizabeth Welch Ehasz, Tim Hedrick, Aaron Ehasz, John O'Bryan  Director: Giancarlo Volpe  Guest star: James Garret (Avatar Roku), Robin Atkin Downes (Captain), Victor Brandt (Master Pakku), Daniel Dae Kim (General Fong) Summary: Plagued with nightmares featuring the devastating power of his Avatar State, Aang and the gang meet an Earth Kingdom general who has big plans for defeating the Fire Nation. Meanwhile, Prince Zuko and Uncle Iroh, having survived the failed attack on the North Water Tribe, have a surprise visit from the Prince's sister with seemingly good news.

Episode: 22 The Cave of Two Lovers Aired: 3/24/2006 Writer: Joshua Hamilton  Director: Lauren Macmullan  Guest star: Barbra Goodson (Mom), Kim Mai Guest (Song), Laraine Newman (Lily), Derek Basco (Moku), Dee Bradley Baker (Chong)  Summary: 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.

Episode: 23 Return To Omashu Aired: 4/7/2006 Writer: Elizabeth Welch Ehasz Director: Ethan Spaulding Guest star: Paul Eiding (Governor of New Ozai), Cricket Leigh (Mai), Tara Strong (Governor's Wife), Fred Tatasciore (Omashu Resistance Leader), Dee Bradley Backer (Tom Tom), Olivia Hack (Ty Lee), Andre Solgiuzzo (King Bumi) Summary: Despite the shocking news they just discovered, Aang insists on trying to find King Bumi within Omashu's borders, even with the dangers that will await him and his friends if his real indentity is discovered.

Episode: 24 The Swamp Aired: 4/14/2006 Writer: Tim Hedrick Director: Giancarlo Volpe Guest star: Johanna Braddy (Princess Yue), Wlliam H.  Bassett (Swamp Monster), Joe Alaskey (Broadswordsman), Carlos Alazraqui (Due/Tho) Summary: 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.

Episode: 25 Avatar Day Aired: 4/28/2006 Writer: John O'Bryan  Director: Lauren MacMullan  Guest star:Jason Miller (X) (Scary Prisoner), Malachi Throne (Colonel Monske), Jillian Henry (Koko), Byron McKittrick (Crazy Foaming Guy), James Hong (Mayor Tong), Jennifer Hale (Avatar Kyoshi), James Sie (Oyaji (Kyoshi Leader))  Summary: 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.

Episode: 26 The Blind Bandit Aired: 5/5/2006 Writer: Michael Dante DiMartina Director: Ethan Spaulding Guest star: Sab Shimono (Master Yu), Cam Clarke (Lao), Marc Graue (Xin Fu)  Summary: 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.

Episode: 27 Zuko Alone Aired: 5/12/06 Writer: Elizabeth Welch Ehasz Director: Lauren MacMullan Guest Star: Cricket Leigh (Mai), Olivia Hack (Ty Lee), Walker Edmiston (Fire Lord Azulon), Susan Eisenberg (Sela), Brian M. O'Neill (Ganzu), Robby Bruce (Lee), Elijah Runcorn (Young Zuko), Jen Cohn (Ursa), Gary Sturgis (Gow), Mark Hamill (Ozai)   Summary: Traveling without Uncle Iroh now, Zuko wanders alone into and Earth Kingdom town where he bonds with a local boy. Meanwhile, Zuko is haunted by memories of his own youth.

Episode: 28 The Chase Aired: 5/26/06 Writer: Joshua Hamilton Director: Giancarlo Volpe Guest Star: Mae Whitman (Katara), Zach Tyler Eisen (Aang), Jack DeSena (Sokka), Dee Bradley Baker (Appa/Momo/Various Others), Grey DeLisle (Princess Azula (Seson 2-)) Dante Basco (Prince Zuko), Jessie Flower (Toph (Episodes 26-)), Olivia Hack (Ty Lee), Cricker Leigh (Mai), Mako (Uncle Iroh) Summary: As the kids are pursued relentlessly by a mysterious machine, their exhaustion puts them at each other's throats.

Episode: 29 Bitter Work Aired: 6/2/06 Writer: Aaron Ehasz Director: Ethan Spaulding Guest Stars: Mae Whitman (Lu Ten)   Summary: 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.

Episode: 30 The Library Aired: 7/14/06 Writer: John O'Bryan Director: Giancarlo Volpe Guest Stars: Hector Elizondo (Knowledge Spirit), Raphel Sbarge (Professor Zei)   Summary: 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. Aang searches for Appa, while Katara struggles to keep everyone together so they can survive in the vast desert. Meanwhile, Iroh and Zuko seek help from an ancient secret society.

Episode: 31 The Desert Aired: 7/14/06 Writer: Tim Hedrick Director: Lauren MacMullen Guest Stars: Malachi Throne (Colonel Mongke), Marc Graue (Xin Fu), Sab Shimono (Master Yu), Bill Bolender (Sha-Mo), Peter Jessop (Fung), Paul McKinney (Ghashiun)   Summary: The kids must cross the deadly Serpent's Pass into Ba Sing Se with a family of refugees, just as Aang discovers a colossal fire nation invention heading there and threatening to destroy the Great Wall that protects the city from invasion.

Episode: 32 Secret of the Fire Nation (Part 1)                    Serpent's Pass Aired: 9/15/06 Writer: Joshua Hamilton Director: Ethan Spaulding Guest Stars: Jessie Flower (Toph), Zach Tyler Eisen (Aang), Mae Whitman (Katara), Jack DeSena (Sokka), Dee Bradley Baker (Appa, Momo, Various Others)   Summary: Getting to Ba Sing Se is harder than the kids thought. They pass up taking the easy way and instead vow to help a desperate family of refugees the only way they know, through the deadly Serpent's Pass.

Episode: 33 Secret of the Fire Nation (Part 2)                    The Drill Aired: 9/15/06 Director: Giancarlo Volpe Writer: Bryan Konietzko Guest Stars: Jessie Flower (Toph), Zach Tyler Eison (Aang), Mae Whitman (Katara), Jack DeSena (Sokka), Dee Bradley Baker (Appa, Momo, Various Others)    Summary: Having made it on top of the outer wall of Ba Sing Se, the kids see a Fire Nation army heading right towards them, the army carrying a deadly Fire Nation invention posing a threat to the last Earth Kingdom stronghold. It is up to the gang to stop the threat and save the city. Meanwhile, Zuko and Iroh meet an old foe who becomes suspicious of their actions.

Episode: 34 The City of Walls and Secrets Aired: 9/22/06 Writer: Tim Hedrick Director: Lauren MacMullan Guest Stars: Jessie Flower (Toph), Zach Tyler Eison (Aang), Jack DeSena (Sokka), Mae Whitman (Katara), Dee Bradley Baker (Appa, Momo, Various Others)   Summary: Having finally made it into Ba Sing Se, the kids are given a house in the upper ring. The kids are anxious to tell the Earth King their plan but there are complications. Meanwhile, Uncle Iroh and Zuko may be from the Fire Nation, Jet decides to take matters into his own hands and do whatever it takes to get the refugees to reveal their true nature.

Episode: 35 Tales of Ba Sing Se Aired: 9/29/06 Writer: Justin Ridge, Giancarlo Volpe, Lauren MacMullan, Andrew Huebner, Joann Estoesta Director: Ethan Spaulding Guest Stars: Jessie Flower (Toph), Zach Tyler Eison (Aang), Jack DeSena (Sokka), Mae Whitman (Katara), Dee Bradley Baker (Appa, Momo, Various Others), James Sie (Cabage Merchent), Quinton Flynn (mugger), Melinda Clarke (Madame Macmu-Ling)   A series of short stories, highlighting different characters and their individual adventures in the city. Tales of Katara and Toph, Iroh, Sokka, Aang, Zuko, and Momo.

Episode: 36 Appa's Lost Days Aired: 10/13/06 Writer: Elizebeth Welch Ehasz Director: Giancarlo Volpe Guest Stars: Mae Whitman (Katara), Zachary Tyler Eisen (Aang), Jack DeSena (Sokka), Jessie Flower (Toph), Dee Bradley Baker (Appa, Momo, Various Others), Paul McKinney (Ghasiun), Dwight Schultz (Trainer), Brian George (Guru), Jennie Kwan (Suki)   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!

Episode: 37 Lake Laogai Aired: 11/3/06 Writer: Tim Hedrick Director: Lauren MacMullan Guest Stars: Marc Donato (Longshot), Nika Futterman (Smellerbee),Lauren Tom (Joo Dee), George Kee Cheung (Pao), Kurt Fuller (Quon), Crawford Wilson (Jet)   Aang and his friends continue to search for Appa and, unbeknownst to them, they aren't the only ones looking for him. Also, the kids meet up with Jet, whom they are understandably reluctant to trust.

Episode: 38 The Earth King Aired: 11/17/06 Writer: John O' Bryan Director: Ethan Spaulding Guest Stars: Clancy Brown (Long Feng), Phil LaMarr (Earth King), Marc Graue (Xin Fu), Jim Meskimen (General How), Jennifer Cohn (Ursa)    The kids battle Long Feng 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.

Episode: 39 The Guru Aired: 12/1/2006 Writer: Bryan Konietzko, Michael Dante DiMartino Director: Giancarlo Volpe Guest Stars: Jim Meskimen (General How), Andre Sogliuzzo (Hakoda), Clancy                      Brown (Long Feng), Sab Shimono (Master Yu), Brian George (Guru                     Pathik), Richard McGonagle (Bato), Phil LaMarr (Earth King), Marc                    Graue (Xin Fu)   Aang receives guidance from Guru Pathik at the Eastern Air Temple; Sokka is reunited with his long-lost father; Princess Azula has something diabolical in store for her enemies; Uncle Iroh and Zuko run their own tea shop.

Episode: 40 The Crossroads of Destiny Aired: 12/1/06 Writer: Aaron Ehasz Director: Michael Dante DiMartino Guest Stars: Jim Meskimen (General How), Clancy Brown (Long Feng), Phil                     LaMarr (Earth King)   The heroes work together to stop Azula's destructive plans; Zuko finds companionship in an unlikely source and learns the time has come to make an imperative choice about his future. Aang's future hangs in the balence and so does Zuko's, as his Uncle tells him.

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