What on Earth? Season 6 Episodes

Episode 1

World's Deadliest Threats

Thu, Jun 6, 201984 mins

The world's most dangerous threats are in top-secret locations all over the planet, and using cutting-edge technology, experts reveal the truth behind these sinister mysteries from space.

Episode 2

Monsters of Diamond Desert

Thu, Jun 13, 201942 mins

An abandoned ghost town in a remote desert with a dark past. When a strange facility is spotted in Russia, experts investigate if it's hiding evidence of alien life. Cutting-edge tech reveals new clues to these sinister mysteries from space.

Episode 3

North Korea Death Star

Thu, Jun 20, 2019

A mysterious structure is seen on a Swedish island; why did a penguin colony in Antarctica suddenly disappear? Also, an object spotted in a North Korean dock arouses interest. Finally, A strange plane wreck in Russia is investigated.

Episode 4

Aliens of the Infinity War

Thu, Jun 27, 201942 mins

When a strange pattern appears in a field, experts wonder if its an extraterrestrial response to a message sent to an alien star cluster in 1974, and using cutting-edge science, they uncover its true origin.

Episode 5

The Cave to Hell

Thu, Jul 11, 201942 mins

When a sinister cave is discovered in a remote corner of Iceland, experts uncover a secret underworld tunneling to unknown depths, and using cutting-edge tech, they investigate if this strange place could hold secrets of alien worlds.

Episode 6

Terror of the Ice Snake

Thu, Jul 18, 201942 mins

In the white ice of Antarctica, satellites discover a mysterious trail of sinister black objects, and when experts discover that it's moving, they use cutting-edge tech to investigate who or what is behind this strange phenomena.

Episode 7

Curse of Genghis Khan

Thu, Jul 25, 2019

A strange track in the Gobi Desert - Genghis Khan's legacy? A frozen Antarctic plane wreck; then some odd structures in North Korea and an eye-like feature on Sakhalin. Finally, an interesting symbol in Namibia. What On Earth are they?

Episode 8

The King at Roswell

Thu, Aug 1, 201942 mins

When a strange, red plane is discovered near the sight of the Roswell UFO incident, experts wonder if the aircraft has Nazi or extraterrestrial origins, and their investigation reveals new secrets about one of America's most famous faces.

Episode 9

Treasures of Monster Graveyard

Thu, Aug 8, 201942 mins

At a mysterious site in the Gobi Desert, experts have discovered a monster graveyard, and this groundbreaking find contains the treasures of the alien beasts that once lived in this strange world.

Episode 22

Deadly Design

Sat, Sep 14, 2019