Ancient Aliens

Season 20, Episode 5

Episode Title: The Top Ten Alien Codes

Air Date: 2024-02-09

Overview:

Ancient Aliens is counting down ten of the most intriguing--and mysterious--symbols and codes found across the globe that just might contain proof of otherworldly contact. From glyphs in the Peruvian desert, to spiral petroglyphs embedded with advanced math, and a language with an otherworldly origin, could these codes unlock the secrets of our extraterrestrial past?