Originally broadcast on the History Channel 1993-2007.
Selections from the History programs UFO files (discs 1-3) and The unexplained (discs 4-5).
"From unidentified flying objects and other worldly underwater vessels to alien life forms and the UFO hunters who seek to prove their existence, explore some of the most puzzling paranormal incidents and the most credible evidence ..."--Container.
Disc 1. UFOs and the White House -- UFO hunters -- Disc 2. The day after Roswell -- Deep sea UFOs : red alert -- Disc 3. UFOs of the '70s -- Hangar 18 : the UFO warehouse -- Disc 4. UFOs: testing the evidence -- Extraterrestrial life -- Disc 5. UFO cults -- UFOs vs. the government.