Who are they? Where did they come from? Why are they here? This three-disc set contains a variety of speculative programs about intelligent alien life forms, their rumored voyages to Earth, and their ultimate cross-dimensional purposes. Includes "Ancient Aliens: The Origins of Mankind," "Messages from Outer Space," "The Crop Circles Revealed," "The UFO Enigma," "Alien Contact: Communicating with E.T.s," "UFO Crashes U.K," and "Crop Circles, UFOs, and the Paranormal." 8 3/4 hrs. total. Standard; Soundtrack: English Dolby Digital stereo.