What On Earth
Sky History
What On Earth
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What On Earth, Episode 19

Season 6, Episode 19

A mysterious nighttime explosion shakes a German village. When the culprit is identified as a massive, long-dormant Nazi bomb, it triggers an aerial hunt to rid a town of these deadly relics of World War II.

Watch all available episodes of What On Earth Season 6

Episode 1
S6 E1 • 41m • HDClosed CaptionedU

Mysterious satellite images reveal China's hidden terror camps and provide access to America's top secret apocalypse pyramid.

Episode 2
S6 E2 • 41m • HDClosed CaptionedU

Satellites capture unusual images including markings in the desert, while a strange symbol could be a portal into a lost South American civilisation.

Episode 3
S6 E3 • 41m • HDClosed CaptionedU

Satellites capture startling images of a structure in North Korea that may be sinister evidence of a looming nuclear threat.

Episode 4
S6 E4 • 41m • HDClosed CaptionedU

Are unusual patterns in an English field really an alien message? And why is there a secret military facility in the Nevada desert?

Episode 5
S6 E5 • 40m • HDClosed CaptionedU

Discover images of an Iceland cave that could hold alien secrets, military structures in the Utah desert and a bloody stain in the sands of Saudi Arabia.

Episode 6
S6 E6 • 41m • HDClosed CaptionedU

Discover a trail of moving objects in the ice of Antarctica, evidence of one of Joseph Stalin's most insane schemes and a code in the Sonoran Desert.

Episode 7
S6 E7 • 41m • HDClosed CaptionedU

A strange structure discovered in the Gobi Desert could reveal the whereabouts of lost treasure - changing everything we know about Genghis Khan.

Episode 8
S6 E8 • 41m • HDClosed CaptionedU

When a strange plane is discovered near the sight of the Roswell UFO incident, experts wonder if the aircraft has Nazi or extraterrestrial origins.

Episode 9
S6 E9 • 41m • HDClosed CaptionedU

At a mysterious site in the Gobi Desert, experts discover a monster graveyard - a groundbreaking find containing treasures of alien beasts.

Episode 10
S6 E10 • 41m • HDClosed CaptionedU

Cold War spy satellite photographs of mysterious structures hidden in Poland's forest motivate local archaeologist Grzegorz Kiarszys to hunt them down.

Episode 11
S6 E11 • 41m • HDClosed CaptionedU

A shipwreck in Lake Michigan has an incredible history. How did this vessel, once part of Hitler's push to win World War II, end up stranded in one of the Great Lakes?

Episode 12
S6 E12 • 41m • HDClosed CaptionedU

When satellites capture a massive crater in the picturesque English countryside, historian Martin Morgan heads there to investigate.

Episode 13
S6 E13 • 41m • HDClosed CaptionedU

A perplexing, intricate symbol high up in the remote Peruvian Andes may be for the grisliest of child sacrifices - death by lightning strike.

Episode 14
S6 E14 • 41m • HDClosed CaptionedU

When satellites capture a strange oozing grey mass in the Mississippi countryside, scientist Nick Pollock goes to investigate.

Episode 15
S6 E15 • 40m • HDClosed CaptionedU

Florida's vast Everglades have been invaded by up to 300,000 giant pythons. A group of military veterans are battling to rid paradise of these monsters.

Episode 16
S6 E16 • 41m • HDClosed CaptionedU

Satellites reveal a series of strange pits in central China. What are they and what is their connection to some of the most pivotal events in the country's history?

Episode 17
S6 E17 • 41m • HDClosed CaptionedU

Eyes in the sky uncover something disturbing in Alaska - a settlement large enough to house thousands of people, wiped out by artillery and bombs. What happened here?

Episode 18
S6 E18 • 41m • HDClosed CaptionedU

A strange, eerily colourful ocean seen from space conceals a terrible secret - its waters are killing all sea life in and around it. What is causing this 7,000 square mile dead zone?

Episode 19
S6 E19 • 41m • HDClosed CaptionedU

A mysterious nighttime explosion shakes a German village. When the culprit is identified as a massive, long-dormant Nazi bomb, it triggers an aerial hunt to rid a town of these deadly relics of World War II.

Episode 20
S6 E20 • 41m • HDClosed CaptionedU

Sometimes, the greatest mysteries revealed by satellites aren't what you can see, but what you can't. Why does a town appear on maps for decades, yet it is invisible from space?

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  • About this episode
  • A mysterious nighttime explosion shakes a German village. When the culprit is identified as a massive, long-dormant Nazi bomb, it triggers an aerial hunt to rid a town of these deadly relics of World War II.
  • CrewSusanna Herbert (Director), Bella Falk (Director)
  • GenreFeatures, Factual
  • Seasons7
  • ChannelSky History