第 1 季 共 6 集
播出时间：2004年7月20日
第 1 集 Hour One
播出时间：2004年7月20日
The escape of deadly Sarin nerve gas in a London hotel alerts British Intelligence that a terrorist cell is operating in the city. Joined by American counter-terrorist agents from the FBI, CIA and NSA, the search begins for the terrorists' next target.
第 2 集 Hour Two
播出时间：2004年7月27日
The escape of deadly Sarin nerve gas in a London hotel alerts British Intelligence that a terrorist cell is operating in the city. Joined by American counter-terrorist agents from the FBI, CIA and NSA, the search begins for the terrorists' next target.
第 3 集 Hour Three
播出时间：2004年7月27日
Although the inter-agency team is officially disbanded after a terrorist bombing in Nigeria, the agents decide to stay together and pursue the deadly and determined terrorist cell.
第 4 集 Hour Four
播出时间：2004年8月3日
As the terrorists prepare to strike in the American heartland, Muhammad, the leader of the terrorist cell, convinces some young boys in Jordan to Join his cause.
第 5 集 Hour Five
播出时间：2004年8月10日
A CIA team lands in Syria and storms a house where they believe Muhammad is staying. Later, agents in the United States and Jordan attempt to stop two separate terrorist attacks - unaware that the final stage of a second Sarin gas attack in London is already in motion.
第 6 集 Hour Six
播出时间：2004年8月10日
A CIA team lands in Syria and storms a house where they believe Muhammad is staying. Later, agents in the United States and Jordan attempt to stop two separate terrorist attacks - unaware that the final stage of a second Sarin gas attack in London is already in motion.
