Watch
Season 2, episode 4. This player now records resume state for the active profile so browse, account, and detail pages can bring you back here quickly.
Currently watching
Underground Aliens
If extraterrestrials influenced human history, can evidence of their existence be found in hidden tunnels and caverns around the world? Could a cave in Ecuador contain metallic books inscribed with secrets of alien technology? Was an ancient underground city in Turkey built with alien help... or as a refuge from an alien attack? Rumors of the U.S. military working alongside aliens in a secret base inside a mesa in New Mexico continue to swirl, Native American legends mention strange inner-Earth beings, and recent archaeological discoveries in the Yucatan may point to an extraterrestrial reality behind.
Watch state
Watch history and continue watching stay tied to your active profile, so you can pick up later from browse, account, and detail pages.
Provider validated
Cast And Share
These providers run inside an external iframe, so the most reliable casting flow is to open the player in its own tab and use your browser or device cast controls there.
Episode 10: Alien Contacts