The Secret of Skinwalker Ranch (2020)

S3E6 Where There’s Smoke…

As the Skinwalker team digs deeper into the secrets of the ranch's enigmatic mesa, they stumble upon clues pointing to a vast underground cave system. In the process, they transmit a peculiar signal picked up from the property, airing it through a local radio station. This unexpected broadcast triggers an astonishing response from an unidentified aerial phenomenon.