UFO Files - "UFOs Then and Now The Innocent Years"

UFO Files - "UFOs Then and Now The Innocent Years" Episodes. 7
A look at the phenomena of crop circles -- from a 1678 woodcarving of "mowing devils" to the growing occurrences of present day formations both in complexity and number.

UFO Files was an American television series that was produced from 2004 to 2007 for The History Channel. The program covered the phenomena of unidentified flying and submerged objects, close encounters with alleged extraterrestrial life, and alleged military and government cover-up conspiracies.

Some of the scientists and experts that have been interviewed in the series are:

Dennis Balthasar -- ufologist
William J. Birnes -- author, publisher, and ufologist
Phyllis Budinger -- research scientist
James Clarkson -- former police detective, ufologist
Robert Collins -- author of Exempt from Disclosure
Paul Davids -- television, science fiction writer and director
Frank Drake -- astrophysicist
Stanton T. Friedman -- ufologist
John Greenewald, Jr. -- creator of The Black Vault website
Steven M. Greer -- physician and ufologist
Michio Kaku -- theoretical physicist and futurist
Andrew Kissner -- former New Mexico state representative
George Knapp -- paranormal journalist
Lawrence M. Krauss -- physicist
Geoffrey A. Landis -- MIT professor, scientist and science fiction writer
Dr. Roger K. Leir -- podiatric surgeon, implant investigator
Bruce Maccabee -- optical physicist and ufologist
Herb Maursatd -- sheriff
Ted Phillips -- ufologist
Scott Ramsey -- author, lead investigator for Aztec UFO crash
Chris Rutkowski - ufologist, educator
John F. Schuessler -- founding member of MUFON
Seth Shostak -- physicist and astronomer
Ken Storch -- police officer, UFO investigator

http://en.wikipedia.org/wiki/UFO_Files
http://www.imdb.com/title/tt0433320/
http://www.tv.com/shows/ufo-files/