Ancient Aliens (2010)

S15E06 The World Before Time

Recent groundbreaking discoveries suggest that sophisticated civilizations may have inhabited Earth tens of thousands of years ago. Could it be that a highly advanced society flourished during that period? Furthermore, did they document their coexistence with extraterrestrial life? This episode delves into the intriguing possibility that humanity's past might be far more complex and intertwined with otherworldly encounters than previously thought.