《遠古外星人》探索外星人過去幾百萬年來不斷造訪地球的爭議性理論。從恐龍時代到遠古埃及，從古早洞穴繪圖到美國持續發生的眾多目擊事件，這部歷史性節目的每一集都針對這個年代久遠的辯論議題，提供具有歷史深度的問題、推斷、啟發性爭議、親身經歷和基礎理論。來自外太空的智慧生物是否曾在幾千年前造訪地球？
Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit HISTORY series gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?
