《遠古外星人》新一季將繼續深入探索外星人是否早在數百萬年前就已造訪過我們的星球。在《獅身人面像之謎》中，人們普遍認為獅身人面像可以追溯到四千五百年前，但這塊巨大的石像是否有著更為古老的歷史？其面部是否根據外星人的臉複製出來的？
Ancient Aliens returns with a new season to explore the tantalizing question of whether aliens have been visiting our world for millions of years. Mysteries of the Sphinx questions whether the ancient monolith is far older than it's believed 4,500 years, and whether its head originally depicted an otherworldly being.
