Avatar: The Last Airbender: 1x19
Chapter Nineteen: The Siege of the North, Part 1
In the first half of the two-part season finale, Zhao begins to launch his attack against the Northern Water Tribe. As the walls of the prestiged city begin to fall, the Avatar taps into the spirit world and seeks the help of one of the oldest spirits, in hopes of saving one of the most prominent areas of the world.
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