With natural disasters taking place all over the globe, programmes like this can come in handy for tips, as the apocalypse may come breathing down your neck any day now. Paranoid yet? Sure, we live in a country that when it rains (as it did so damn frequently last summer), the whole place comes to an abrupt halt. How the hell would we deal with an earthquake, or sleeping volcano blowing its load all over us? Well, if you often stay awake at night pondering such questions, then is the programme for you. Tonight concentrates on those who have lived through the 9/11 terrorist attacks, as well as others who survived a ferry capsizing. True feats of human endurance and spirit are explored here; as you can't always have a PSP and a vast array of  Lucozade on you when a building collapses.