Avatar: The Last Airbender: 1x18
Chapter Eighteen: The Waterbending Master
When Aang tries to find the north pole, he is found by the north pole instead.When they are taken there Aang and Katara are eager to find a water bending master only to find that girls are not allowed to learn waterbending.
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