Stream the full National Geographic - The Truth Behind UFOs movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
With thousands of UFOs sightings worldwide every year, can our alien experiences really all be put down to imagination? Alex Podovich of Las Vegas UFO Hunters travels to the Extra-terrestrial Highway in Nevada and Peter Merlin visits a supposed crash site in search of evidence of what happened.