NATIONAL GEOGRAPHIC HD Individuals in life-threatening situations use their knowledge of survival to make quick decisions and save themselves from danger. 2026-05-05 Individuals in life-threatening situations use their knowledge of survival to make quick decisions and save themselves from danger. 2026-05-05 Experts analyse various plane crashes with an aim to figure out how these disasters occurred. They also shed light on how such accidents shaped the aviation industry and improved safety standards. 2026-05-05 The filmmaker gives an insight into behind the scenes of security personnel, highlighting the measures taken by them to crack down illegal activity. 2026-05-05 The filmmaker delves into the underworld of complex criminal webs, striving to unravel the insider stories of these complicated networks. 2026-05-05 The filmmaker unravels fascinating gems of the world's oceans, discovering their hidden secrets and learning about different aquatic species. 2026-05-05 Three friends embark on an adventurous journey across America, presenting each other with unconventional survival challenges. 2026-05-05