Stream UFOs 1973: Aliens, Abductions and Extraordinary Sightings Online Free – Watch Full Movie from Home at 123Movies. . UFO's 1973 Film takes you inside the Pascagoula Incident, the Charlie Hickson case, the Iran Pilot sighting, the Coyne case, the Jeffery Greenhaw case, and many more from around the world where in this landmark year, the strangest and most mind-bending cases in UFO history occurred.