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What on Earth? Season 4 Episodes
Season 4 Episode Guide
20 Episodes 2017 - 2018
Episode 1
Dracula's Tomb
Tue, Oct 17, 201742 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.
Episode 2
Fountain of Youth Found?
Tue, Oct 24, 201742 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.
Episode 3
Mafia Ghost Ship
Tue, Oct 31, 201742 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.
Episode 4
Beasts of the Lost Jungle
Tue, Nov 7, 201742 mins
A ghost town covered in a strange, white power emerges from a lake in Argentina; upon the discovery of a lost jungle in Africa, scientists embark on a dangerous mission to explore it; a declassified CIA image uncovers a bizarre, giant Soviet weapon.
Episode 5
Mystery of Fang Forest
Tue, Nov 14, 201742 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, grisly new evidence points to secret government experiments into psycho-chemical warfare.
Episode 6
Village of the Damned
Tue, Nov 21, 201742 mins
A forbidden island points to a strange South American town that locals claim was the home of Adolf Hitler. New data from NASA satellites might reveal a sunken lost continent in the Indian Ocean. A pit of bodies suggests fears of a zombie nightmare.
Episode 7
The Minotaur's Lair
Tue, Nov 28, 201742 mins
A strange lake in Transylvania is the home of an abandoned village and a terrifying secret. When an labyrinth is discovered on an island once home to an ancient Greek civilization, experts investigate if it was the legendary home of the Minotaur.
Episode 8
Lost City of Goliath
Tue, Dec 5, 201742 mins
A lost city near Jerusalem might have been the home of Goliath; bizarre underwater formations might point to a top-secret US weapons testing facility; a strange sighting in the Arctic could be a lost Nazi relic.
Episode 9
Finding King Arthur
Tue, Dec 12, 201742 mins
An abandoned mega city in a remote jungle might be the home of an ancient treasure and a dark secret; when a mysterious circular stone structure is discovered in Scotland, experts investigate whether it's the fabled Round Table of King Arthur.
Episode 10
Treasures of Valhalla
Tue, Dec 19, 201742 mins
When experts investigate a network of tunnels rumored to be the hiding place of lost royal treasure, they find evidence of human sacrifice for the Viking god Odin. An abandoned fortress in Siberia might shed new light on Genghis Khan.
Episode 11
Hitler's Lost Gold
Tue, Jan 9, 201842 mins
New evidence might finally identify the hiding place of the billion-dollar Nazi gold train. A discovery of a long-lost settlement rewrites the history of the Vikings in North America. A blood-red river in Siberia points to catastrophic pollution.
Episode 12
Temple of Blood
Tue, Jan 16, 201842 mins
An ancient man-made volcano might reveal bloody human sacrifice. When NASA discovers a strange pattern in the Arctic ice, experts investigate if it has alien origins. A mystery in the Sahara might have a sinister explanation.
Episode 13
North Korea's Forbidden Island
Tue, Jan 30, 201842 mins
Man-made islands are spotted near a North Korean missile facility. When something unexpected is found in a remote desert, experts investigate a lost city of giants. A strange discovery in Siberia could reveal a secret mission to the center of the earth.
Episode 14
Cannibals in the Ghost City
Tue, Jan 30, 201842 mins
An abandoned city may be haunted by the spirits of cannibals; Adolf Hitler's secret UFO program Unknown, but ancient structure found in Eastern Ukraine possibly created by the Arrata civilization.
Episode 15
Curse of Medusa
Tue, Feb 6, 201842 mins
Experts investigate a strange glowing lake reported to turn things into stone. A mysterious structure in Africa that resembles Stonehenge is said to be the resting place of a mythical giant. A dark conspiracy could be at work in the Australian outback.
Episode 16
Nazi Stonehenge
Tue, Feb 13, 201842 mins
A mysterious Stonehenge-like structure in Russia might have links to the Nazis. Experts uncover clues to a mega-tsunami with the power to devastate the United States. A huge lake appears in the Sahara overnight, and its explanation could be mythical.
Episode 17
Hunting the Ark of the Covenant
Tue, Feb 20, 201842 mins
New discoveries lead investigators to a crypt rumored to hold the Ark of the Covenant. When great white shark is killed, experts suspect an mysterious ocean monster. Strange markings in the desert might be a tribute to an ancient spider god.
Episode 18
Forbidden City of Inca Gold
Tue, Feb 27, 201842 mins
Treasure hunters have searched for a lost Incan city of untold wealth for a century, but new technology might finally locate its riches. A strange mountain in Egypt sparks an investigation into Cleopatra's gems and the tomb of Alexander the Great.
Episode 19
Ghost Ship of Hell Island
Tue, Mar 6, 201842 mins
A ghost ship is found abandoned on a remote island that's home to one of the world's last uncontacted tribes. A strange labyrinth in Sicily might have a sinister connection to the Mafia. New evidence reveals a mysterious military compound in Russia.
Episode 20
Mayan Armageddon: The New Evidence
Tue, Mar 13, 201842 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.