Ultimate Crop Circles: Signs from Space.

People are talking about the worldwide phenomenon of crop circles -- huge designs that have been appearing in farmers' fields for more than 20 years, growing larger and more complex with each passing season. Who (or what) is responsible for them? What are their implications? This fascinating documentary includes a feature-length interview with Colin Andrews, leading crop circle researcher and co-author of &NFi;Circular Evidence&NFi_;.