S3 E1 • Lost Treasures of the Grand Canyon

Increase interest, due to the conflict in Ukraine, leads to the discovery of a strange white splotch in the eastern forest near the Belarus border; strange spots near the Grand Canyon may hold clues to the legendary treasure of a notorious bandit; images captured in 2014 show something that looks like an airport in the southern desert of Saudi Arabia that was not there one year before; in 2014 an engineer looking for home building locations on Oke Bay in New Zealand finds something creating a huge wake in the bay; a series of 32 spiral holes seen in satellite images near Nazca, Peru could be an entrance to an underworld; city-size chunk of ice suddenly disappears in Antarctica.

Première diffusion : 15 novembre 2016

S3 E2 • Mystery in the Outback

A giant carving of a strange humanoid creature in the Australian outback; in 2013 satellites pick up a large blob of warm water in the Pacific off the coast of north western North America, and kept growing larger; top-secret activity at Iran's nuclear facility; bright green lights illuminating the Gulf of Thailand; a series of square stone structures in the Peruvian desert appear as a spine on a mountain ridge; unnaturally blue areas over 2 miles long are seen in the Utah desert.

Première diffusion : 22 novembre 2016

S3 E3 • Riddle in the Ruins

Black holes near pyramids in Egypt; weather radar in Texas finds a strange pulsing object; in 2015 satellite images show two large white objects with wakes that make them appear to be moving at very high speeds; ruins in Peru that suggest the Inca people knew more than previously thought; in 2001 images of a red swarm on an Indian river bank; a dark streak in the Andean desert of Bolivia may indicate the location of a meteor strike.

Première diffusion : 29 novembre 2016

S3 E4 • Stonehenge of the Holy Land

Legends of ancient giants surround a mysterious monument in the Holy Land. A bright pink lake could point to a strange, undiscovered new species. When a young boy disappears in a sand dune, satellite images help with the investigation.

Première diffusion : 6 décembre 2016

S3 E5 • Did We Find Flight 370?

A new clue about what happened to missing Malaysia Airlines Flight 370; an astronaut's sighting of something strange in the Sahara Desert; and a remote village in Alaska invaded by orange sludge.

Première diffusion : 13 décembre 2016

S3 E6 • Gateway to Eden

A buried monument sheds light on a Bible mystery; an ominous shadow engulfs the Pacific Ocean; and a lake that's shaped like a perfect circle hosts otherworldly life.

Première diffusion : 20 décembre 2016

S3 E7 • Dagger of Tutankhamun

A dagger sealed in King Tut's tomb that seems to have extraterrestrial origins; a massive swastika found in the desert near Roswell, N.M.; and satellites that search for a most-wanted man.

Première diffusion : 3 janvier 2017

S3 E8 • Raiders of the Holy Lance

The takeover of one of Syria's most ancient archaeology sites; tanks that appear to be facing off in Antarctica next to an unworldly object; and a water reservoir in L.A. that suddenly turns black.

Première diffusion : 10 janvier 2017

S3 E9 • The Swastika Conspiracy

A giant swastika in a German forest; a strange pattern etched into the desert near the famous Nazca lines; and mysterious markings in an isolated corner of Antarctica.

Première diffusion : 17 janvier 2017

S3 E10 • Inside El Chapo's Escape

Satellite images reveal how El Chapo escaped from a high-security prison in Mexico; mysterious patterns in the Australian outback and the Kalahari Desert spark a major scientific investigation; and a giant black stain appears in a war-torn area of Iraq.

Première diffusion : 24 janvier 2017

S3 E11 • Ghost of Zorro

A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw; a strange sighting in Germany points to secrets from the Cold War; and massive, blood-red marks in China prompt fears of a violent government crackdown.

Première diffusion : 31 janvier 2017

S3 E12 • Curse of the Sea Monster

A strange mass breaches surface of an ocean near Antarctica, sparking rumors of a sea monster; an area of the U.S.-Mexico border becomes an international mystery; and ancient rock carvings in a remote mountain range depict weird, unearthly beings.

Première diffusion : 7 février 2017

S3 E13 • Strange Symbols in the Desert

An amateur archaeologist stumbles open strange symbols scratched into the Kazakhstan Desert; CIA surveillance photographs show what looks like a giant Star of David on the island of Cuba; and a lake in the Brazilian rain forest that turned bright pink.

Première diffusion : 14 février 2017

S3 E14 • Bloody Secret of the Lost City

A vast structure buried in the sands near the legendary city of Petra points to a bloody past; when terrorists kidnap more that 200 schoolgirls in northern Nigeria, rescuers use satellites to track them down.

Première diffusion : 21 février 2017

S3 E15 • Lost Empire of the Amazon

New evidence could lead to the discovery of an unknown ancient civilization in the Amazon rainforest. An island disappears, and investigators are mystified. An unidentified submarine is spotted in a North Korean shipyard.

Première diffusion : 28 février 2017

S3 E16 • Siberian Hell Pit

A massive chasm appears in a remote part of the Siberian forest, and locals call it to a gate to the underworld. Images of a nuclear missile launch silo in Montana are being manipulated. A bright green spiral appears in the Persian Gulf.

Première diffusion : 7 mars 2017

S3 E17 • Grand Canyon of the Arctic

New evidence reveals a massive Arctic canyon buried beneath the ice; a mysterious island suddenly appears off the coast of the highly sensitive border between Iran and Pakistan; a plane is spotted on Google Earth at the bottom of a lake in Minnesota.

Première diffusion : 14 mars 2017

S3 E18 • Hunt for El Dorado

Strange images from the jungles of Colombia could lead researchers to the legendary city of El Dorado; a bright green swirling spiral appears in the seas of the Persian Gulf; and a massive complex suddenly appears in the secretive state of Myanmar.

Première diffusion : 21 mars 2017

S3 E19 • Forbidden Cities of the Maya

A young boy makes international headlines when he uses satellite images to discover lost cities of the Maya; satellite images might point to a modern-day genocide; and trees in China seem to be spelling out a sinister message.

Première diffusion : 28 mars 2017

S3 E20 • The Curse of Merlin

The myth of Merlin is associated with an arrangement of stones in northern France, and satellite images might finally solve this ancient riddle; investigators uncover something mysterious buried beneath the Gulf of Mexico; and an island suddenly appears.

Première diffusion : 4 avril 2017

S3 E18 • Myths and Mysteries

Weird images set off major scientific investigations. New evidence could break international mysteries wide open.

Première diffusion : 11 mars 2017

S3 E19 • Here Be Monsters

Bizarre markings are observed from space in oceans and deserts across the planet. Strange sightings point to conspiracies that could have global repercussions.

Première diffusion : 18 mars 2017

S3 E20 • Mystery of the Mummy Desert

New evidence could reveal the remains of an ancient Roman city thought to be lost forever; strange images from a remote and empty desert could explain the mysterious mummies found there; and an apocalyptic sandstorm swallows the Middle East.

Première diffusion : 21 mars 2017

S3 E20 • Here Be Monsters

Bizarre markings are observed from space in oceans and deserts across the planet. Strange sightings point to conspiracies that could have global repercussions.

Première diffusion : 18 mars 2017

S3 E21 • Mystery of the Mummy Desert

New evidence could reveal the remains of an ancient Roman city thought to be lost forever; strange images from a remote and empty desert could explain the mysterious mummies found there; and an apocalyptic sandstorm swallows the Middle East.

Première diffusion : 21 mars 2017

S3 E22 • Secrets and Lies

Bizarre markings are observed from space in oceans and deserts across the planet; and strange sightings point to conspiracies that could have global repercussions.

Première diffusion : 1 avril 2017

S3 E22 • Into the Unknown

Bizarre markings are observed from space in oceans and deserts across the planet. Strange sightings point to conspiracies that could have global repercussions.

Première diffusion : 25 mars 2017

S3 E24 • Secrets and Lies

Bizarre markings are observed from space in oceans and deserts across the planet; and strange sightings point to conspiracies that could have global repercussions.

Première diffusion : 1 avril 2017

S3 E26 • Forbidden Places

Bizarre markings are observed from space in oceans and deserts across the planet. Strange sightings point to conspiracies that could have global repercussions.

Première diffusion : 8 avril 2017

S3 E27 • Bible's Greatest Secrets

The Bible is spotlighted.

Première diffusion : 15 avril 2017

S3 E28 • Curses and Legends

Bizarre markings are observed from space in oceans and deserts across the planet. Strange sightings point to conspiracies that could have global repercussions.

Première diffusion : 22 avril 2017

S3 E29 • Strangest Things

Première diffusion : 29 avril 2017

S3 E30 • Expedition Truth

Première diffusion : 6 mai 2017

S3 E31 • Lost Worlds

Première diffusion : 13 mai 2017