AncientAliens on Instagram: "The Center for the Study of Extra-Terrestrial Intelligence defines a "Close Encounter of The Fifth Kind" as direct human contact and communication with extraterrestrial life. But is this a classification that will only be useful in the distant future, or have such encounters already taken place... and within the highest levels of the U.S. government? Find out on an all new episode of #AncientAliens tomorrow at 9/8c!"