DESC: Made for the National Geographic Channel, INSIDE 9/11 begins by tracking back in time to look at how and why the events of that fateful day occurred. The history of al Qaeda is explored, as are its associations with Osama bin Laden. Then, a critical eye is cast over the lapses in American security that caused the attacks to happen, while shocking footage from the day itself unfolds. Finally, the program wraps up with a look at the how America and the world reacted to 9/11. The show unravels over four harrowing, yet historically fascinating, hours, with the program makers carefully picking over each detail and producing a piece of work that is both moving and important in helping us to understand what happened on that dark September day.