E1 - Grand Canyon Treasure

Aired: November 15, 2016

Strange spots near the Grand Canyon may hold clues to the legendary treasure of a notorious bandit. Satellite images could explain desert ruins rumored to be an entrance to an underworld. A city-size chunk of ice suddenly disappears in Antarctica.

E2 - Mystery in the Outback

Aired: November 22, 2016

A giant carving of a strange creature suddenly appears in the Australian Outback. Mysterious bright green lights illuminate the seas around Thailand. Top secret activity is discovered at Iran's nuclear facility.

E3 - Riddle in the Ruins

Aired: November 29, 2016

Strange black holes appear near Egypt's ancient pyramids, and new evidence points to a disturbing conclusion. Ruins in Peru suggests that the Inca people knew far more than previously thought. A mysterious red swarm invades a beach in India.

E4 - Stonehenge of the Holy Land

Aired: December 06, 2016

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.

E5 - Did We Find Flight 370?

Aired: December 13, 2016

Investigators find a new clue about the missing Malaysia Airlines flight that disappeared in 2014. An astronaut spots something strange in the Sahara Desert. A mysterious orange sludge invades a remote village in Alaska.

E6 - Gateway to Eden

Aired: December 20, 2016

A buried monument offers new evidence about one of the Bible's greatest mysteries. A giant shadow engulfs the Pacific Ocean. Scientists have trouble explaining a strange lake that's shaped like a perfect circle, and is home to otherworldly life.

E7 - Dagger of Tutankhamun

Aired: January 03, 2017

A dagger sealed in King Tut's tomb for more than 3,000 years is made of a metal that seems to have extraterrestrial origins. A massive swastika is found in the desert near Roswell, NM. Satellites hunt for the world's most wanted man, Joseph Kony.

E8 - Raiders of the Holy Lance

Aired: January 10, 2017

A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen. Tanks appear to be facing off in Antarctica next to an unworldly object. A water reservoir in LA suddenly turns black.

E9 - The Swastika Conspiracy

Aired: January 17, 2017

A sinister giant swastika appears in a forest in Germany. A strange pattern is etched into the desert near the famous Nazca lines, but archaeologists don't know who put it there. Mysterious markings are spotted in an isolated corner of Antarctica.

E10 - Inside El Chapo's Escape

Aired: January 24, 2017

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. A giant black stain appears in a war-torn area of Iraq.

E11 - Ghost of Zorro

Aired: January 31, 2017

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. Massive, blood-red marks in China prompt fears of a violent government crackdown.

E12 - Curse of the Sea Monster

Aired: February 07, 2017

A strange mass breaches surface of an ocean near Antarctica, sparking rumors of a mythological sea monster. An area of the US-Mexico border becomes an international mystery. Ancient rock carvings depict weird, unearthly beings.

E13 - Strange Symbols in the Desert

Aired: February 14, 2017

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.

E14 - Bloody Secret Of The Lost City

Aired: February 21, 2017

A vast structure near the legendary city of Petra points to a bloody past.

E15 - Lost Empire Of The Amazon

Aired: February 28, 2017

New evidence could lead to the discovery of an ancient civilization.

E16 - Siberian Hell Pit

Aired: March 07, 2017

A massive chasm in a Siberian forest may be a gate to the underworld.

E17 - Hunt for El Dorado

Aired: March 14, 2017

Strange images from Colombia could lead researchers to a legendary city.

E18 - Mystery of the Mummy Desert

Aired: March 21, 2017

Strange images could explain mysterious mummies found in a desert.

E19 - Forbidden Cities of the Maya

Aired: March 28, 2017

A young boy uses satellite images to uncover lost cities of the Maya.

E20 - The Curse of Merlin

Aired: April 04, 2017

A strange arrangement of stones may be connected to a mythical wizard.