Unlocking the Stargates
S20 E12 · Oct 16, 2026
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
Ancient Aliens is a television series from 2010, available to stream online across all seasons and episodes. Optimized for mobile, tablet, and desktop.
Watch all episodes of Ancient Aliens in HDTop Billed Cast
View All
Seasons
Sign in to track your progress
Ancient Aliens
The Evidence
Ancient Aliens
The Visitors
Ancient Aliens
The Mission
Ancient Aliens
Closer Encounters
Ancient Aliens
The Return
Comments & Discussions
Join the conversation
Sign in to leave a comment
No comments yet
Be the first to share your thoughts!
Recommended
Because you liked Ancient Aliens
Formula 1: Drive to Survive
Formula 1: Drive to Survive
Rise of the Nazis
Rise of the Nazis
The UnXplained
The UnXplained
The Mentalist
The Mentalist
Slow Horses
Slow Horses
Neagley
Neagley
Carrie
Carrie
Supernatural
Supernatural
Criminal Minds
Criminal Minds
CSI: Crime Scene Investigation
CSI: Crime Scene Investigation
Search for movies, TV shows, collections, manga, or people
Trending Now