Watch In Search of Aliens Full Episodes, Video & More

The Alien Code

Aired on Oct 03, 201442m

Did extraterrestrials visit Earth in the remote past? All around the world there is physical evidence that suggests humans are not alone in the universe. But has this evidence been left behind for a purpose?

S1 E9

The Mystery of Nazca

Aired on Sep 26, 201442m

Could these ancient geoglyphs and mysterious landscapes in Peru hold the key to proving Earth was visited by aliens in the distant past?

S1 E8

The Founding of America

Aired on Sep 19, 201442m

Is possible that the designs and philosophies enshrined in the streets of Washington, DC and Philadelphia were influenced by an otherworldly source?

S1 E7

The Mystery of Puma Punku

Aired on Sep 12, 201442m

Is it possible that the ruins of Puma Punku offer evidence of advanced technology being used in the ancient past? And if so, might this technology have been provided by alien beings?

S1 E6

The Mystery of the Cyclops

Aired on Sep 05, 201442m

The mysterious Mediterranean island of Malta is home to megalithic structures built by a mysterious prehistoric society. But who were the people that built these sophisticated structures?

S1 E5

Searching for Bigfoot

Aired on Aug 22, 201442m

Could the creature known as Bigfoot, or Sasquatch, really exist? If so, could it be living proof that extraterrestrials were not only here, but may still be living in our midst?

S1 E4

The Roswell Rock

Aired on Aug 15, 201443m

A rock bearing a cryptic design was discovered in Roswell, New Mexico in 2004. It's unusually smooth, possesses unique magnetic properties, and the motif exactly matches a crop circle found nearly two decades ago.

S1 E3

The Mystery of Loch Ness

Aired on Aug 08, 201442m

The Loch Ness Monster is one of the world's most enduring mysteries. But there have also been accounts of similar cryptids all over the planet.

S1 E2

Nazi Time Travelers

Aired on Aug 01, 201442m

According to testimony, during WWII, the Nazis developed a top-secret project "Die Glocke," a bell-shaped time travel device. Did it actually exist? Could it have been based on alien technology?

S1 E1

The Hunt For Atlantis

Aired on Jul 25, 201442m

Was Atlantis a myth, or could it have actually existed in the remote past? Did it disappear as Plato described? And could it have been the home of an advanced civilization that created the human race?