Ancient Aliens

1Season 17

S17.E1 ∙ The Lost City of Peru

Fri, Aug 6, 2021

Machu Picchu is fascinating to archaeologists and historians because it is not documented in any of the ancient chronicles of the Spanish conquistadors.

2Season 17

S17.E2 ∙ Top Ten Mysterious Sites

Fri, Aug 13, 2021

Ancient Aliens is counting down the world's top ten most mysterious sites, from the towering Moai statues of Easter Island to the enormous megalithic blocks of Stonehenge to the precision cut stones of Puma Punku. Could these extraordinary places provide evidence of extraterrestrial visitation?

3Season 17

S17.E3 ∙ Top Ten Alien Cover-Ups

Fri, Aug 20, 2021

Ancient Aliens is counting down the world's top ten alien cover-ups, from the famous Roswell Incident to a secret military base rumored to be housing ET technology to recently released UFO videos captured by cameras on Navy fighter jets. Has there been a massive cover-up regarding the truth about an extraterrestrial presence on Earth?

4Season 17

S17.E4 ∙ The Mystery of Mount Shasta

Fri, Sep 17, 2021

Some people in Mount Shasta believe that a lost continent called Lemuria is hidden beneath the mountain, along with its capital crystalline city, Telos.

5Season 17

S17.E5 ∙ The Human Experiment

Fri, Sep 24, 2021

Numerous experiments which were performed on human test subjects in the World.

6Season 17

S17.E6 ∙ Top Ten Alien Encounters

Fri, Oct 1, 2021

We're counting down the world's top ten alien encounters, from the first reported abduction event to mass UFO sightings over New York's Hudson Valley to an incident in ancient Rome that changed the course of human history. Could these incredible accounts be actual encounters with visitors from the stars?

7Season 17

S17.E7 ∙ Top Ten Alien Artifacts

Fri, Oct 8, 2021

Ancient Aliens has traveled the globe and investigated strange objects found on every continent on Earth. We're counting down the top ten alien artifacts. Objects that could provide evidence that extraterrestrials once walked among us.