 This major four-part series of one hour films for the Discovery Network presents all the credible scientific evidence in the UFO debate. It is an antidote to the widespread perception of viewers that UFO reports are either hoaxes or genuine alien contacts.  UFOs: Down To Earth  shows how natural phenomena, top-secret technology, altered states of the mind and mythology all provide much more realistic explanations for supposed encounters with aliens. However, the series is not afraid to look at those reports for which there is no easy explanation. The series features or used as advisors many talented and experienced UFO, black technology and and paranormal investigators including Greg Long, Curtis Peebles, Jenny Randles, Barry Greenwood, Andy Roberts, Bill Sweetman, Steve Douglass, Warren James, Tom Mahood and many others. Episode One - Reason to Believe - This film takes the viewer through the last fifty years of UFOs: from cover-up theories to hoaxes and to strange, puzzling evidence. Episode Two - Great Balls of Fire - The real life Twin Peaks - Yakima - home to strange earthlights followed by the extraordinary case of Travis Walton. Episode Three - Retrieval- From Roswell to Rendlesham - flying saucer crashes - mysteries and hoaxes including the first on-screen debunking of the notorious Roswell alien autopsy hoax. Episode Four - Dreamland - Deep Black aviation projects are often confused with UFOs. This film tells the strange tale of Area 51 in Nevada - Dreamland.