Narrated by James Doohan, this riveting document explores mass sightings of purported alien spacecraft and features never-before-seen footage and exclusive interviews with UFO researchers.Narrated by James Doohan, this riveting document explores mass sightings of purported alien spacecraft and features never-before-seen footage and exclusive interviews with UFO researchers.Narrated by James Doohan, this riveting document explores mass sightings of purported alien spacecraft and features never-before-seen footage and exclusive interviews with UFO researchers.