(Richard Hammond's Invisible Worlds/2010) The human eye is a remarkable piece of precision engineering, but all around us is an astonishing and beautiful world we cannot see. Wonders which are outside the visible spectrum, or too fast, too slow, too small or too remote for our eyes and brains to interpret, yet which touch every aspect of life on Earth and shape it in unseen ways. Now, for the first time, this hidden world is revealed - in action. From lightning sprites and shockwaves to heater bees and the crystalline structure of a spider's web, this documentary series uses cutting-edge camera technology - some specially adapted for this series - to reveal the full glory of these secret forces and hidden powers.