Ancient Aliens · SEASON 20

The Top Ten Alien Codes

Episode 5 · 2024-02-09

★ 9.0
Ancient Aliens poster
Season 20Episode 5★ 9.0/10
  • Documentary
  • Mystery
  • Sci-Fi & Fantasy

Episode 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?

42 minutes

Season 20 episodes