Avatar: The Last Airbender: 3x18
Chapter Eighteen: Sozin's Comet, Part 1: The Phoenix King
Aang struggles to decide whether or not he has to kill the Fire Lord and, during the night, is drawn toward an island which disappears before morning. Zuko leads the rest of the group to the Earth Kingdom to meet a tracker whom they hope can find Aang. The Fire Lord crowns himself Phoenix King and Aang awakens on the island not knowing where he is.
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 Dec. 14, 2007
3 - 13Chapter Thirteen: The Firebending Masters Jan. 04, 2008
3 - 14Chapter Fourteen: The Boiling Rock, Part 1 Jun. 14, 2008
3 - 15Chapter Fifteen: The Boiling Rock, Part 2 Jun. 14, 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