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PosterPoster

What on Earth?

All Episodes 2016 - 2017

  • 2017-11-21T21:00:00-05:00s at 2017-11-21T21:00:00-05:00 on Science Channel
  • 2015-02-10T00:00:00+00:00
  • 60 mins
  • 2 days, 8 hours, 0 mins
  • United States
  • English
  • Documentary
Eyes in the sky. Watching us from space. Hundreds of satellites showing us the world like we've never seen it before. Capturing images which are breathtaking but bizarre. Objects and phenomena which defy explanation. Baffling phenomena seen from space, what on Earth are they?

117 episodes

Special 1 Bible's Greatest Mysteries

  • 2016-03-27T02:00:00+01:00 — 60 mins

In 2000 Space Shuttle Endeavor uses radar imagery to see ancient rivers in the Saudi Arabian desert that may show where be the real Garden of Eden once existed; did a U.S. spy satellite photograph Noah's Ark on Mt. Ararat in 1973; was the ancient Egyptian city Tanis relocated and was it moved in response to the biblical plagues; google images from 2009 in a Hungarian farmer's fields appears to show the face of Jesus; in 2003 scientists see in a Marsh in southern Spain a massive ring pattern and structures buried in the mud could it be Atlantis or the biblical city of Tarshish; satellite photos of the region north of the Dead Sea leads archeologist Dr. Collins to believe he has found the biblical city of Sodom. This episode is a 2 hour mashup of various segments on Biblical mysteries.

Special 2 Secrets of Lost Cities

  • 2016-04-13T02:00:00+01:00 — 60 mins

while a satellite takes photos of western Brazil a cleared part of the jungle shows signs of ancient construction that may be the fabled City of Gold, El Dorado; radar images of the empty quarter of Oman show tracks or roads that may lead to Ubar, the mythical 'Atlantis of the Sands'; amateur archeologist search satellite images for ancient walls in Northern California that have the potential to rewrite American history; a 50 years old satellite image shows a winding channel cut into the desert of northern Iraq that may lead to the site of the ancient Hanging Gardens of Babylon; archeologists using aerial photography discover what may be an ancient sunken city off the coast of Wales which some believe may be evidence of an ancient kingdom known as The Lowland Hundred; in 2011 a mysterious structure is seen in the Lybian desert could it have been built by Romans or someone else

Special 3 Military Mysteries

  • 2016-04-06T02:00:00+01:00 — 60 mins

In 1988 satellites spot what appears to be a downed aviator signal in Laos 15 years after the war in Vietnam ended; spy imagery appears to show an American F-117 stealth fighter in an industrial complex in China; in 2004 a mapping satellite takes a picture of a lake in eastern Bagdad that is blood red is it evidence of crimes against humanity or something less sinister; images seem to show a big steel door on an entrance to a cave or underground base in Antarctica, could this be the remains of a Nazi base; a huge blanket of smoke covers southeastern North Korea and the time of year makes it unlikely to be normal wildfires; a large complex is discovered in the Ural Mountains of Russia causing concern in the US

Special 4 Strange Things in the Desert

  • 2016-04-13T02:00:00+01:00 — 60 mins

Night images of Western Australia show lights in areas where there shouldn't be any, even more light is seen in the desert than in the big cities on the coast; in 2005 an earth observation satellite see a fleet of large ships stranded in the middle of a vast desert miles from the Aral Sea in Kazakhstan; an amateur archeologist in North Carolina, USA sees in satellite images what may be undiscovered pyramids in the Egyptian desert; huge arrows are discovered scattered across Nevada further investigation finds that these arrows are all over the American west, but what do they point to; a mile long series of honeycomb shaped holes is seen in the Andes mountains of Peru

Special 5 Unsolved Mysteries

  • 2016-04-27T02:00:00+01:00 — 60 mins

In the Namib Desert of west Africa a strange series of rings ranging from 6 to 65 feet wide cover 1200 miles from Angola to South Africa; images taken in 2014 of Mongolia show a strange pattern of rock that may mark the tomb of Genghis Khan; the eye of the Sahara is a 25 mile wide series of concentric circles and remains a mystery; 2008 satellites looking at southern Afghanistan see what maybe an ancient fortress is it connected to the conquest of the area by Alexander the Great; a three mile wide ring is seen in the ice of Lake Baikal, the oldest freshwater lake in the world; in the Gobi Desert of northern China a grid is seen 1-mile long and 0.5-mile wide with a strange line pattern

Special 6 Curse of the Abyss

  • 2016-05-04T02:00:00+01:00 — 60 mins

January 2002 SeaStar satellite monitoring the world's oceans sees a massive dark blob off the coast of south Florida; Sandy Island in the south Pacific is as big as Manhattan and has been on nautical maps for over 200 years but is now gone; a giant 100 mile glowing blue vortex is seen in the south Atlantic; a series of hexagon shaped clouds appear over the Bahamas at the western edge of the Bermuda triangle; a glow as large as Connecticut is spotted off the Horn of Africa in the Indian Ocean; a satellite takes pictures of what appears to be a series of 500 foot tall tsunamis headed toward Hong Kong

Special 7 Stranger than Fiction

  • 2016-05-11T02:00:00+01:00 — 60 mins

Offshore of South Korea a strange line pattern is seen could this be military preparations or something else; in May 2013 satellite researcher using Google Earth finds spiral formations in the Kalahari desert of South Africa; in April 2013 an image is posted from Holland that appears to show a murder captured by satellite images; the global ozone monitoring experiment in 2014 sends back an image of a strange cloud covering over half of America; an image shows streaks of light and a nearby point of light in the West African Sahara Desert were no light was seen before that disappears the next night; a strange triangle is seen in photos over the western Australian outback

Special 8 Myths and Mysteries

  • 2017-03-12T02:00:00+00:00 — 60 mins

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

Special 9 Here Be Monsters

  • 2017-03-19T01:00:00+00:00 — 60 mins

This episode is a mashup of S03E12 and S03E11

Special 10 Mystery of the Mummy Desert

  • 2017-03-22T01:00:00+00:00 — 60 mins

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. This is a rebroadcast “Hunt for El Dorado” with the title changed.

Special 11 Into the Unknown

  • 2017-03-26T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E15 and S03E04.

Special 12 Secrets and Lies

  • 2017-04-02T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E06 and S03E09.

Special 14 Bible's Greatest Secrets

  • 2017-04-16T02:00:00+01:00 — 60 mins

The Bible is spotlighted. This episode is a 2 hour mashup of various segments on Biblical mysteries.

Special 15 Curses and Legends

  • 2017-04-23T02:00:00+01:00 — 60 mins

This is a mashup of S03E07 and S03E01.

Special 17 Expedition Truth

  • 2017-05-07T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E02 and S03E19

Special 19 Dangerous Knowledge

  • 2017-05-21T02:00:00+01:00 — 60 mins

This episode is a mashup of S02E04 and S01E06.

Special 20 Uncharted Waters

  • 2017-05-28T02:00:00+01:00 — 60 mins

This episode is a mashup of S02E02 and S01E02.

Special 21 Scandal and Sin

  • 2017-06-04T02:00:00+01:00 — 60 mins

This episode is a mashup of S02E03 and S01E03.

Special 22 Journeys to the Edge

  • 2017-06-11T02:00:00+01:00 — 60 mins

This episode is a mashup of S02E01 and S01E04.

Special 23 Forgotten and Unexplained

  • 2017-06-18T02:00:00+01:00 — 60 mins

This episode is a mashup of S01E01 and S02E06

Special 24 Last Secrets of the Nazis

  • 2017-06-21T02:00:00+01:00 — 60 mins

Strange satellite photos point to the dark final secrets of the Nazis. A mysterious base in Antarctica. A giant swastika carved into a forest in Germany. A sinister World War II spy code etched into the British countryside. This episode is a mashup of segments from S01E06, S03E07, S03E09, S03E11, and S03E18

Special 25 World of Weird

  • 2017-06-25T02:00:00+01:00 — 60 mins

This episode is a mashup of S01E05 and S02E05

Special 26 Omens of Armageddon

  • 2017-06-28T02:00:00+01:00 — 60 mins

Strange images point to apocalyptic prophesies of doomsday; a top-secret nuclear arsenal in Russia; a deadly crater in the Arctic; and a looming natural disaster in California. This episode is a mashup of S03E06, S02E02, S02E03 and others.

Special 27 Deadly Destinations

  • 2017-07-02T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E20 and S03E04.

Special 28 America the Weird

  • 2017-07-05T02:00:00+01:00 — 60 mins

Strange spots that cover a vast stretch of desert near the Grand Canyon are investigated. Also: a Los Angeles water reservoir that unexpectedly turned black. This episode is a mashup of segments from S03E12, S03E08, S02E02, S03E01 and others.

Special 29 Riddles and Relics

  • 2017-07-09T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E18 and S03E03.

Special 30 Curses of the Ancients

  • 2017-07-12T02:00:00+01:00 — 60 mins

Strange satellite images fuel new investigations into greatest mysteries of the ancient world. Mysterious markings in the Peruvian desert. A secret structure buried near the ancient city of Petra. An abandoned fortress in an arid wasteland. This episode is a mashup of segments from S01E02, S02E02, S03E03, and others.

Special 31 Dark Voyages

  • 2017-07-16T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E19 and S03E06

Special 32 Bibles Darkest Secrets

  • 2017-07-19T02:00:00+01:00 — 60 mins

Satellite photos reveal new evidence to explain the Bible's darkest mysteries. The face of Jesus spotted on a field in Hungary. Ruins that could be the site of the lost city of Babylon. This episode is a mashup of S02E05, S01E02, S01E01, S01E04, S03E16, and S01E05.

Special 33 Peril at the Abyss

  • 2017-07-23T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E14 and S03E01.

Special 34 Egypt's Greatest Mysteries

  • 2017-07-26T02:00:00+01:00 — 60 mins

This episode is a mashup of S01E05, S01E04, S02E05, S03E07, S03E03, S03E18

Special 35 Hell on Earth

  • 2017-07-30T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E15 and S03E11.

Special 36 Criminal Pursuit

  • 2017-08-02T02:00:00+01:00 — 60 mins

Discoveries by satellite help authorities pursue the world's most wanted criminals. Investigators reveal El Chapo's daring escape. A legendary outlaw might have left his signature calling card. Cutting-edge technology aids the pursuit of Joseph Kony. This episode is a mashup of S02E03, S03E10, S03E07, S03E14, S03E11, S03E03.

Special 37 United States of Conspiracy

  • 2017-08-02T02:00:00+01:00 — 60 mins

Strange images fuel investigations into American conspiracies and controversies. Something eerie is in the night sky over Texas. There might be a terrifying object at the bottom of a Minnesota lake. A human seems to fly above the California hills. This episode is a mashup of segments from S03E16, S03E03, S01E03, and others.

Special 38 Lies and Legends

  • 2017-08-13T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E09 and S03E10

Special 39 Legends of the Lost Cities

  • 2017-08-16T02:00:00+01:00 — 60 mins

Strange rings might be evidence of a fabled Biblical city or the mythical city of Atlantis; and bizarre patterns point to a Californian ghost town. This episode is a mashup of segments from S02E06, S01E06 and others.

Special 40 Extreme Adventures

  • 2017-08-20T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E16 and S03E12.

Special 41 Dangerous and Deadly

  • 2017-08-27T02:00:00+01:00 — 60 mins

This episode is a mashup of S02E05 and S03E05

Special 42 Wicked Things

  • 2017-09-03T02:00:00+01:00 — 60 mins

This episode is a mashup of S01E04 and S03E07

Special 43 Odysseys to the Edge

  • 2017-09-10T02:00:00+01:00 — 60 mins

This episode is a mashup of S01E06 and S03E17.

Special 44 Investigation Unknown

  • 2017-09-17T02:00:00+01:00 — 60 mins

This episode is a mashup of S02E26 and S03E08.

Special 45 Declassified and Dangerous

  • 2017-10-01T02:00:00+01:00 — 60 mins

This episode is a mashup of S01E02 and S02E01

Special 46 Chasing Conspiracies

  • 2017-10-08T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E11 and S02E03

Special 47 Quest for Truth

  • 2017-10-15T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E01 and S01E01

Special 48 Mysteries and Monsters

  • 2017-10-22T02:00:00+01:00 — 60 mins

This episode is a mashup of S03E04 and S02E02

Special 49 Dark Secrets

  • 2017-10-29T01:00:00+00:00 — 60 mins

This episode is a mashup of S01E03 and S02E04

Special 50 Ghosts of the Nazis

  • 2017-10-29T01:00:00+00:00 — 60 mins

This episode is a mashup of segments from S03E07, S01E06, S03E11, S03E18 and others.

Special 51 Forbbiden Knowledge

  • 2017-11-05T01:00:00+00:00 — 60 mins

"Forbidden Knowledge" is a mashup of S04E01 and S03E06

Special 52 Freaks of Nature

  • 2017-11-12T02:00:00+00:00 — 60 mins

This episode is a mashup of S04E02 and S03E14

Special 53 Nightmares on Earth

  • 2017-11-19T02:00:00+00:00 — 60 mins

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

Special 54 Episode 38

  • 2017-11-26T02:00:00+00:00 — 60 mins

Science Channel;s most watches series reveals Earth as it's never been seen before. Illuminating views captured by more that 4,000 orbiting satellites, "What on Earth?" investigates mysteries from strange geological occurrences to weird man-made structures.

1x01 Lake of Blood

  • Series Premiere

    2015-02-11T02:00:00+00:00 — 60 mins

In 2000 Space Shuttle Endeavor uses radar imagery to see ancient rivers in the Saudi Arabian desert that may show where be the real Garden of Eden once existed; a satellite takes pictures of what appears to be a series of 500 foot tall tsunamis headed toward Hong Kong; a mile long series of honeycomb shaped holes is seen in the Andes mountains of Peru; in 2004 a mapping satellite takes a picture of a lake in eastern Bagdad that is blood red is it evidence of crimes against humanity or something less sinister; while scanning Florida for signs of sink holes a 240-foot hole filled with water and is unlike any sink hole ever seen; China is constructing a huge underground base with access to the sea on Hainan Island

1x02 Lost City of Gold

  • 2015-02-18T02:00:00+00:00 — 60 mins

In the Namib Desert of west Africa a strange series of rings ranging from 6 to 65 feet wide cover 1200 miles from Angola to South Africa; Sandy Island in the south Pacific is as big as Manhattan and has been on nautical maps for over 200 years but is now gone; a bizarre disk of glowing rings are seen by meteorologist on weather radar over Melbourne Australia before the rings start appearing over other parts of Australia; while a satellite takes photos of western Brazil a cleared part of the jungle shows signs of ancient construction that may be the fabled City of Gold, El Dorado; did a U.S. spy satellite photograph Noah's Ark on Mt. Ararat in 1973; a strange silvery blob that appears to be flying is photographed near Area 51

1x03 Secrets of Sahara

  • 2015-02-25T02:00:00+00:00 — 60 mins

Clusters of wheel like formations are seen by satellite in the desert from Jordan to Saudi Arabia; a glow as large as Connecticut is spotted off the Horn of Africa in the Indian Ocean; symbols hidden in the layout of Washington DC; the eye of the Sahara is a 25 mile wide series of concentric circles and remains a mystery; intense light over Lake Maracaibo, Venezuela known as the everlasting lightning storm; a bizarre cone of rippling clouds are emanating from an island in the Antarctic

1x04 Finding Sodom

  • 2015-03-04T02:00:00+00:00 — 60 mins

Satellite photos of the region north of the Dead Sea leads archeologist Dr. Collins to believe he has found the biblical city of Sodom; a three mile wide ring is seen in the ice of Lake Baikal, the oldest freshwater lake in the world; a 35 mile wide cloud shaped plume appears out of nowhere over New Mexico; a new pyramid is found in Egypt surrounded by geometric shapes making it unlike any ancient pyramid ever discovered; a small island close to Japan is covered in apartment buildings but is devoid of human life today; a strange triangle is seen in photos over the western Australian outback

1x05 North Korea is Burning

  • 2015-03-11T01:00:00+00:00 — 60 mins

Lynn Hickox using a gps mapping program sees what appears to be a giant carving of a Native American's profile near Medicine Hat, Alberta, Canada that can only be seen from space; a huge blanket of smoke covers southeastern North Korea and the time of year makes it unlikely to be normal wildfires; satellite imagery shows a moon like terrain in Italy that volcanologists believe indicate an active super volcano; a 50 year old satellite image shows a winding channel cut into the desert of northern Iraq that may lead to the site of the ancient Hanging Gardens of Babylon; a giant 100 mile glowing blue vortex is seen in the south Atlantic; an amateur archeologist in North Carolina, USA sees in satellite images what may be undiscovered pyramids in the Egyptian desert

1x06 Nazi Ice Fortress

  • 2015-03-18T01:00:00+00:00 — 60 mins

Night images of Western Australia show lights in areas where there shouldn't be any, even more light is seen in the desert than in the big cities on the coast; images seem to show a big steel door on an entrance to a cave or underground base in Antarctica, could this be the remains of a Nazi base; Space Shuttle Endeavor takes pictures of a chain of 8 craters stretching 450 miles along the 38th parallel covering Kansas, Missouri and Illinois; radar images of the empty quarter of Oman show tracks or roads that may lead to Ubar, the mythical 'Atlantis of the Sands'; a series of hexagon shaped clouds appear over the Bahamas at the western edge of the Bermuda triangle; in the Gobi Desert of northern China a grid is seen 1-mile long and 0.5-mile wide with a strange line pattern

2x01 Finding Vietnam's Lost POWs

  • Season Premiere

    2016-01-27T02:00:00+00:00 — 60 mins

In 1988 satellites spot what appears to be a downed aviator signal in Laos 15 years after the war in Vietnam ended; in 2005 an earth observation satellite see a fleet of large ships stranded in the middle of a vast desert miles from the Aral Sea in Kazakhstan; amateur archeologist search satellite images for ancient walls in Northern California that have the potential to rewrite American history; the global ozone monitoring experiment in 2014 sends back an image of a strange cloud covering over half of America; archeologist use google earth to answer questions about the placement of ancient temples in Lima, Peru.

2x02 Secret of Doomsday Mountain

  • 2016-02-03T02:00:00+00:00 — 60 mins

In 2013 weather radar begins to show a large and growing thunderstorm over Huntsville, Alabama, but there is no storm; a large complex is discovered in the Ural Mountains of Russia causing concern in the US; the ancient Roman city of Dura-Europos in ISIS controlled Syria is being turned into a moonscape; spy imagery appears to show an American F-117 stealth fighter in an industrial complex in China; a user of Apple maps sees a wake that appears to be a gigantic living creature in Loch Ness; 2008 satellites looking at southern Afghanistan see what maybe an ancient fortress is it connected to the conquest of the area by Alexander the Great

2x03 Lost City of the Kalahari

  • 2016-02-10T02:00:00+00:00 — 60 mins

January 2002 SeaStar satellite monitoring the world's oceans sees a massive dark blob off the coast of south Florida; a NASA satellite launched in 2002 looks for gravity anomalies on earth and finds an unexpectedly large gravity under the ice of Antarctica; in May 2013 satellite researcher using Google Earth finds spiral formations in the Kalahari desert of South Africa; in April 2013 an image is posted from Holland that appears to show a murder captured by satellite images; an image shows streaks of light and a nearby point of light in the West African Sahara Desert were no light was seen before that disappears the next night

2x04 Who Built Supervillain Island?

  • 2016-02-17T02:00:00+00:00 — 60 mins

An island appears in a contested part of the sea where one wasn't a month ago; large holes the size of football fields begin to pop up across the Siberian landscape; huge arrows are discovered scattered across Nevada further investigation finds that these arrows are all over the American west, but what do they point to; in Nov 2000 NASA's Terra satellite captures an image of a blood red waterfall coming out of a glacier; in 2011 a mysterious structure is seen in the Lybian desert could it have been built by Romans or someone else; in New Mexico large rings are seen etched into the desert own by the Church of Scientology.

2x05 Curse of the Lost Kingdom

  • 2016-02-24T02:00:00+00:00 — 60 mins

Did Russia provide fake satellite images of the destruction of a Malaysian airline in July 2014 to frame the Ukraine; was the ancient Egyptian city Tanis relocated and was it moved in response to the biblical plagues; google images from 2009 in a Hungarian farmer's fields appears to show the face of Jesus; archeologists using aerial photography discover what may be an ancient sunken city off the coast of Wales which some believe may be evidence of an ancient kingdom known as The Lowland Hundred; reconnaissance satellite photos from 2004 see a large black cigar shaped object in the mountains of Afghanistan is it evidence of a war crime and how in the Mongol Empire involved; an earthquake in Baja Mexico in 2010 happens on a previously unidentified fault line but this fault appears too small to cause the damage that occurred.

2x06 Hidden Tomb of Genghis Khan

  • 2016-03-02T02:00:00+00:00 — 60 mins

Offshore of South Korea a strange line pattern is seen could this be military preparations or something else; images taken in 2014 of Mongolia show a strange pattern of rock that may mark the tomb of Genghis Khan; in 2012 an airline pilot spots a large "island" near New Zealand that should be open ocean further investigation sees a 200 mile long floating mass; in 2003 scientists see in a Marsh in southern Spain a massive ring pattern and structures buried in the mud could it be Atlantis or the biblical city of Tarshish; in the Algerian Sahara Desert a strange structure and rectangular shape is seen with no explanation could it be from the time of French nuclear testing in the desert; satellite images have confirmed that ISIS thugs have destroyed the ancient temple of Bael in Palmyra but renewed interest from archeologists have discovered more about this ancient city than was known before

2x07 Bible's Greatest Mysteries

  • 2016-03-30T02:00:00+01:00 — 60 mins

A US spy satellite may have sumbled upon Noah's Ark; NASA may have found the Garden Of Eden; possible evidence of the destroyed city of Sodom.

2x08 Secrets of Lost Cities

  • 2016-03-30T02:00:00+01:00 — 60 mins

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. Trees in China seem to be spelling out a sinister message.

2x09 Military Mysteries

  • 2016-04-06T02:00:00+01:00 — 60 mins

A collection of military mysteries; Satellites find stealth technology deep in China; Signs of MIA's in Vietnam, Strange smoke clouds over North Korea, Strange mountain fortress in Russia.

2x10 Strange Things in the Desert

  • 2016-04-13T02:00:00+01:00 — 60 mins

An amateur archaeologist stumbles across strange symbols scratched into the Kazakhstan desert. CIA surveillance photographs show what looks like a giant Star of David on the island of Cuba. A lake in the Brazilian rain forest has turned bright pink.

2x11 Unsolved Mysteries

  • 2016-04-27T02:00:00+01:00 — 60 mins

An odd structure that could be the lost tomb of Genghis Khan; mysterious dead patches in the desert that science can't explain; eerie sights in one of the world's oldest and strangest lakes.

2x12 Curse of the Abyss

  • 2016-05-04T02:00:00+01:00 — 60 mins

Mysterious sightings in the Bermuda Triangle that could solve an age-old legend; a huge tsunami is heading straight for Hong Kong, then suddenly disappears.

2x13 Stranger Than Fiction

  • 2016-05-11T02:00:00+01:00 — 60 mins

A strange blood trail leads a satellite investigation; odd spirals appear in the Kalahari desert; a bizarre pattern off the coast of South Korea.

2x14 Strangest Things

  • 2017-04-30T02:00:00+01:00 — 60 mins

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

3x01 Lost Treasures of the Grand Canyon

  • Season Premiere

    2016-11-16T02:00:00+00:00 — 60 mins

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.

3x02 Mystery in the Outback

  • 2016-11-23T02:00:00+00:00 — 60 mins

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.

3x03 Riddle in the Ruins

  • 2016-11-30T02:00:00+00:00 — 60 mins

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.

3x04 Stonehenge of the Holy Land

  • 2016-12-07T02:00:00+00:00 — 60 mins

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.

3x05 Did We Find Flight 370?

  • 2016-12-14T02:00:00+00:00 — 60 mins

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.

3x06 Gateway to Eden

  • 2016-12-21T02:00:00+00:00 — 60 mins

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.

3x07 Dagger of Tutankhamun

  • 2017-01-04T02:00:00+00:00 — 60 mins

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.

3x08 Raiders of the Holy Lance

  • 2017-01-11T02:00:00+00:00 — 60 mins

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.

3x09 The Swastika Conspiracy

  • 2017-01-18T02:00:00+00:00 — 60 mins

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.

3x10 Inside El Chapo's Escape

  • 2017-01-25T02:00:00+00:00 — 60 mins

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.

3x11 Ghost of Zorro

  • 2017-02-01T02:00:00+00:00 — 60 mins

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.

3x12 Curse of the Sea Monster

  • 2017-02-08T02:00:00+00:00 — 60 mins

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.

3x13 Strange Symbols in the Desert

  • 2017-02-15T02:00:00+00:00 — 60 mins

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.

3x14 Bloody Secret of the Lost City

  • 2017-02-22T02:00:00+00:00 — 60 mins

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.

3x15 Lost Empire of the Amazon

  • 2017-03-01T02:00:00+00:00 — 60 mins

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.

3x16 Siberian Hell Pit

  • 2017-03-08T02:00:00+00:00 — 60 mins

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.

3x17 Grand Canyon of the Arctic

  • 2017-03-15T01:00:00+00:00 — 60 mins

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.

3x18 Hunt for El Dorado

  • 2017-03-22T01:00:00+00:00 — 60 mins

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.

3x19 Forbidden Cities of the Maya

  • 2017-03-29T02:00:00+01:00 — 60 mins

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.

3x20 The Curse of Merlin

  • 2017-04-05T02:00:00+01:00 — 60 mins

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.

3x21 Mystery of the Mummy Desert

  • 2017-03-22T01:00:00+00:00 — 60 mins

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.

3x22 Into the Unknown

  • 2017-03-26T02:00:00+01:00 — 60 mins

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

3x23 Forbidden Cities of the Maya

  • 2017-03-29T02:00:00+01:00 — 60 mins

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.

3x24 Secrets and Lies

  • 2017-04-02T02:00:00+01:00 — 60 mins

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

3x25 The Curse of Merlin

  • 2017-04-05T02:00:00+01:00 — 60 mins

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.

3x26 Forbidden Places

  • 2017-04-09T02:00:00+01:00 — 60 mins

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

3x27 Bible's Greatest Secrets

  • 2017-04-16T02:00:00+01:00 — 60 mins

The Bible is spotlighted.

3x28 Curses and Legends

  • 2017-04-23T02:00:00+01:00 — 60 mins

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

3x31 Lost Worlds

  • 2017-05-14T02:00:00+01:00 — 60 mins

3x45 Dark Voyages

  • no air date — 60 mins

3x49 Hell on Earth

  • no air date — 60 mins

4x01 Dracula's Tomb

  • Season Premiere

    2017-10-18T02:00:00+01:00 — 60 mins

Strange mounds in Transylvania might pinpoint the location of the tomb of the bloodthirsty tyrant believed to have inspired Dracula; a mysterious ancient city is discovered on a coral reef; images of a plane crash sets off a hunt for a drug lord.

4x02 Fountain of Youth Found?

  • 2017-10-25T02:00:00+01:00 — 60 mins

A strange structure shaped like a giant shark might point the way to a lost civilization's fountain of youth; a massive hurricane heads toward Florida but something unexpected is in its eye; bizarre marks across the eastern US leave experts baffled.

4x03 Mafia Ghost Ship

  • 2017-11-01T01:00:00+00:00 — 60 mins

A ghost ship with links to the mob suddenly appears on a California beach; strange markings could be a coded message that reveals a plot to overthrow the Queen of England; a lake believed to have magical healing powers holds clues to life on Mars.

4x04 Beasts of the Lost Jungle

  • 2017-11-08T02:00:00+00:00 — 60 mins

A ghost town covered in a strange, white powder emerges from a lake in Argentina; when a lost jungle is discovered in Africa, scientists embark on a dangerous mission to explore it; a declassified CIA image uncovers a bizarre, giant Soviet weapon.

4x05 Mystery of Fang Forest

  • 2017-11-15T02:00:00+00:00 — 60 mins

A strange forest of razor-sharp stones could be home of an undiscovered Hobbit-like humanoid species; when a man-made island mysteriously appears off the US coast, new evidence points to secret government experiments into psycho-chemical warfare.

4x06 S04 E06

  • 2017-11-22T02:00:00+00:00 — 60 mins

4x07 S04 E07

  • 2017-11-29T02:00:00+00:00 — 60 mins

4x08 S04 E08

  • 2017-12-06T02:00:00+00:00 — 60 mins

4x09 S04 E09

  • 2017-12-13T02:00:00+00:00 — 60 mins

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