Ancient Aliens: Season 16

In this season of ANCIENT ALIENS®, Giorgio A. Tsoukalos and other ancient astronaut theorists revisit the vast locations across the globe where investigators have found the most compelling and promising evidence of extraterrestrial presence on Earth. From deep underground to the infinite skies — including sites and structures rich with otherworldly artifacts and evidence of UFO sightings and unexplained encounters — experts the world over offer definitive proof that we are, in fact, not alone in the universe.