Ancient Aliens 8x8 - Circles from the Sky

Over 10,000 crop circles have been reported worldwide,appearing in 50 different countries, and nearly everycontinent on Earth. These strange designs pressed into cropfields range from simple circles to elaborate pictogramsthousand of feet long. The phenomenon has been associated withscientific anomalies, strange lights, and even UFO activity.But critics say that they are all part of an elaborate hoax.But are they? Crop circles have been making modern headlinessince the 1960's, but their history can be traced backhundreds - if not thousands of years. The designs themselvesoften contain encrypted messages and complex mathematical,geometric, and astronomical equations that perplex our topmathematicians and scientists. Ancient Astronaut Theorist,Giorgio Tsoukalos travels to England to meet with researchersand scientists to investigate the phenomenon both on the groundand in the lab to find out what we haven't been told.