Spielberg’s film is rich in UFOlogical detail beyond the appearance of its aliens – from its depiction of silent but spectacular UFO manoeuvres, UFOs interfering with electrical grids and car engines, government secrecy and disinformation surrounding the subject, and even alien abduction (around a decade before such stories began to permeate the literature). The movie achieved its extraordinary UFOlogical verisimilitude thanks in large part to the advice of legendary UFO investigator Professor J. Allen Hynek. It was Hynek’s classification system for UFO sightings that gave Spielberg’s movie its unusual title (a ‘close encounter of the third kind’ referring to any...