Seasons and episodes
1Season 1 Feb. 21, 2005
1 - 1Chapter One: The Boy in the Iceberg Feb. 21, 2005
1 - 2Chapter Two: The Avatar Returns Feb. 21, 2005
1 - 3Chapter Three: The Southern Air Temple Feb. 25, 2005
1 - 4Chapter Four: The Warriors of Kyoshi Mar. 04, 2005
1 - 5Chapter Five: The King of Omashu Mar. 18, 2005
1 - 6Chapter Six: Imprisoned Mar. 25, 2005
1 - 7Chapter Seven: The Spirit World: Winter Solstice, Part 1 Apr. 08, 2005
1 - 8Chapter Eight: Avatar Roku: Winter Solstice, Part 2 Apr. 15, 2005
1 - 9Chapter Nine: The Waterbending Scroll Apr. 29, 2005
1 - 10Chapter Ten: Jet May. 06, 2005
1 - 11Chapter Eleven: The Great Divide May. 20, 2005
1 - 12Chapter Twelve: The Storm Jun. 03, 2005
1 - 13Chapter Thirteen: The Blue Spirit Jun. 17, 2005
1 - 14Chapter Fourteen: The Fortuneteller Sep. 23, 2005
1 - 15Chapter Fifteen: Bato of the Water Tribe Oct. 07, 2005
1 - 16Chapter Sixteen: The Deserter Oct. 21, 2005
1 - 17Chapter Seventeen: The Northern Air Temple Nov. 04, 2005
1 - 18Chapter Eighteen: The Waterbending Master Nov. 18, 2005
1 - 19Chapter Nineteen: The Siege of the North, Part 1 Dec. 02, 2005
1 - 20Chapter Twenty: The Siege of the North, Part 2 Dec. 02, 2005
2Season 2 Mar. 17, 2006
2 - 1Chapter One: The Avatar State Mar. 17, 2006
2 - 2Chapter Two: The Cave of Two Lovers Mar. 24, 2006
2 - 3Chapter Three: Return to Omashu Apr. 07, 2006
2 - 4Chapter Four: The Swamp Apr. 14, 2006
2 - 5Chapter Five: Avatar Day Apr. 28, 2006
2 - 6Chapter Six: The Blind Bandit May. 05, 2006
2 - 7Chapter Seven: Zuko Alone May. 12, 2006
2 - 8Chapter Eight: The Chase May. 26, 2006
2 - 9Chapter Nine: Bitter Work Jun. 02, 2006
2 - 10Chapter Ten: The Library Jul. 14, 2006
2 - 11Chapter Eleven: The Desert Jul. 14, 2006
2 - 12Chapter Twelve: The Serpent's Pass Sep. 15, 2006
2 - 13Chapter Thirteen: The Drill Sep. 15, 2006
2 - 14Chapter Fourteen: City of Walls and Secrets Sep. 22, 2006
2 - 15Chapter Fifteen: The Tales of Ba Sing Se Sep. 29, 2006
2 - 16Chapter Sixteen: Appa's Lost Days Oct. 13, 2006
2 - 17Chapter Seventeen: Lake Laogai Nov. 03, 2006
2 - 18Chapter Eighteen: The Earth King Nov. 17, 2006
2 - 19Chapter Nineteen: The Guru Dec. 01, 2006
2 - 20Chapter Twenty: The Crossroads of Destiny Dec. 01, 2006
3Season 3 Sep. 21, 2007
3 - 1Chapter One: The Awakening Sep. 21, 2007
3 - 2Chapter Two: The Headband Sep. 28, 2007
3 - 3Chapter Three: The Painted Lady Oct. 05, 2007
3 - 4Chapter Four: Sokka's Master Oct. 12, 2007
3 - 5Chapter Five: The Beach Oct. 19, 2007
3 - 6Chapter Six: The Avatar and the Fire Lord Oct. 26, 2007
3 - 7Chapter Seven: The Runaway Nov. 02, 2007
3 - 8Chapter Eight: The Puppetmaster Nov. 09, 2007
3 - 9Chapter Nine: Nightmares and Daydreams Nov. 16, 2007
3 - 10Chapter Ten: The Day of Black Sun, Part 1: The Invasion Nov. 30, 2007
3 - 11
3 - 12Chapter Twelve: The Western Air Temple Jul. 14, 2008
3 - 13Chapter Thirteen: The Firebending Masters Jul. 15, 2008
3 - 14Chapter Fourteen: The Boiling Rock, Part 1 Jul. 16, 2008
3 - 15Chapter Fifteen: The Boiling Rock, Part 2 Jul. 16, 2008
3 - 16Chapter Sixteen: The Southern Raiders Jul. 17, 2008
3 - 17Chapter Seventeen: The Ember Island Players Jul. 18, 2008
3 - 18
3 - 19Chapter Nineteen: Sozin's Comet, Part 2: The Old Masters Jul. 19, 2008
3 - 20Chapter Twenty: Sozin's Comet, Part 3: Into the Inferno Jul. 19, 2008
3 - 21Chapter Twenty-One: Sozin's Comet, Part 4: Avatar Aang Jul. 19, 2008