Watch Ancient Aliens Season 10

Aliens B.C.

Aired on Jul 24, 201542m

Enormous manmade caves. Unexplainable structures. And underwater discoveries that challenge everything we know about the past. Is it possible that an advanced civilization inhabited Earth thousands of years ago? And if so, were they human or alien?

S10 E2

NASA's Secret Agenda

Aired on Jul 31, 201542m

Is it possible that German-born aerospace engineer Wernher von Braun—one of the greatest rocket scientists the world has ever known—found his inspiration not on our world, but another?

S10 E3

Aliens and Robots

Aired on Aug 07, 201542m

In the 21st century, robots are being programmed to do everything from performing surgery to exploring other planets. Is the obsession with creating counterfeit humans really pointing the way to mankind's future...or to its past?

S10 E4

Dark Forces

Aired on Aug 14, 201542m

Good and Evil. Light and Dark. God and Satan. In nearly every culture there are stories of opposing forces at work here on Earth—forces of a supernatural or otherworldly nature. Could these forces really exist? And if so, what is their true nature?

S10 E5

The Alien Evolution

Aired on Aug 21, 201542m

Could it be that many of the divine beings depicted in cultures throughout the world reflect extraterrestrials? If so, what can account for all these different types of beings, from anthropomorphic birds and reptiles to gods with blue skin?

S10 E6

The Other Earth

Aired on Aug 28, 201542m

Since the launch of the Kepler Telescope in 2009, scientists have identified thousands of planets capable of supporting life. Is it possible we could one day answer the age-old question: "Are we alone in the universe?"

S10 E7

Creatures of the Deep

Aired on Sep 04, 201542m

In 2014, Russian cosmonauts aboard the International Space Station discovered living sea plankton covering parts of the windows. If sea life can thrive in space, might the reverse be true as well? Might there be alien life forms in our oceans?

S10 E8

Circles from the Sky

Aired on Sep 18, 201542m

Over 10,000 crop circles have been reported worldwide. The phenomenon has been associated with scientific anomalies, strange lights and even UFO activity. Critics say that they are all part of an elaborate hoax—but are they?

S10 E9

The Alien Wars

Aired on Oct 02, 201542m

In 2002, Gary McKinnon hacked into government computers and claimed to find evidence of a secret American space fleet. Might the military have such a program? And if so, are we preparing for a space-based war with other nations—or other species?

S10 E10

The Forbidden Zones

Aired on Oct 09, 201542m

Due to warfare, instability and inaccessibility there are specific regions of the world that are off-limits to exploration. Could there be ancient knowledge, technology, or perhaps the truth about our alien past located at these sites?