Chatter surrounding UFOs has never been more prevalent, with even those on Capitol Hill hosting a buzzworthy hearing on the matter late last month. Roku's also getting in on the craze, releasing a new docuseries titled UFO Cowboys at arguably just the right time. An eight-part series, The Roku Channel Original features a group called the Cowboy Sky Watchers, a group of ranchers in the American Southwest that investigate UFO sightings and other paranormal happenings.