Watch National Geographic: Samurai Sword (2006) : Full Movie Online Free A weapon so technologically perfect in structure, so formidable in strength and so beautiful in creation. This high definition one hour special is the inside track on the World's most influential weapon. For over a thousand years this weapon dominated the battlefields of Japan, instilled fear and terror into every enemy it faced, and created a new spiritual way of life that lasts through to the present day. The Samurai sword – a weapon so technologically perfect in structure, so formidable in strength and so beautiful in creation. For the first time unique access has been granted and we travel into the core of the ancient foundries, sword-smiths and fighting schools to reveal what makes the so-called perfect sword. This is a no holds barred look at one of the most iconic man-made objects ever forged. Join us as we take the inside track on the making of the legend that is the Samurai Sword.