Avatar: The Last Airbender: 2x13
Chapter Thirteen: The Drill
Having made it to the outer wall of Ba Sing Se, the kids confront a Fire Nation army that is driving a massive Fire Nation drill, which poses an imminent threat to the last Earth Kingdom stronghold. Meanwhile, Zuko and Iroh make crucial mistakes which begin to attract Jet’s suspicions.
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