Doomsday Volcano Mystery

Doomsday Volcano Mystery

Secrets of the Underground | Season 2, Episode 4

TV-PG

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Science is Amazing

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S2 E4: Doomsday Volcano Mystery

On Demand • Original Air Date: Nov 18, 2017

A massive supervolcano beneath Naples, Italy, may be on the verge of erupting again, which could have apocalyptic consequences for the planet; Rob Nelson and Stefan Burns use cutting-edge technology to investigate this disturbing new evidence.

42 Min

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2017

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TV-PG

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Science

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Season 1

  • Season 1
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S1 E8: American Stonehenge

On Demand • Original Air Date: Apr 4, 2017

Rob Nelson investigates the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge; at the notorious Alcatraz prison, Rob uses state-of-the-art technology in search of rumored escape tunnels.

42 Min

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TV-PG

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Available with Freestream

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S1 E7: Secret History of the New World

On Demand • Original Air Date: Mar 28, 2017

Investigating a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus; heading to California where a dormant super volcano may be showing new signs of life.

42 Min

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TV-PG

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Available with Freestream

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S1 E6: California's Hidden Doomsday

On Demand • Original Air Date: Mar 21, 2017

Heading to California to investigate a network for major fault lines that could set off an unprecedented mega-quake; he explores a mysterious sinkhole that some believe is an endless pit to the center of the Earth.

42 Min

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TV-PG

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Available with Freestream

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S1 E5: Great Lakes Bermuda Triangle

On Demand • Original Air Date: Mar 14, 2017

Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.

42 Min

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TV-PG

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Available with Freestream

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S1 E4: Rocky Mountain Monsters

On Demand • Original Air Date: Mar 7, 2017

Examining a set of bizarre markings that suggest a violent clash between prehistoric beasts; in California, Rob investigates to see if a strange lake is a home to alien life.

42 Min

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TV-PG

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Available with Freestream

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S1 E3: America's Buried Massacre

On Demand • Original Air Date: Feb 28, 2017

Hunting for a legendary mass grave that could expose a dark secret of America's industrial past; using cutting-edge technology to find out why a giant lake is mysteriously disappearing high in the mountains.

42 Min

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TV-PG

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Available with Freestream

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S1 E2: Mystery of the Serpent Mound

On Demand • Original Air Date: Feb 21, 2017

Exploring mysterious tunnels beneath Denver's airport, capitol building and downtown to investigate rumors of a secret organization that operates below; in Ohio, trying to uncover the ancient secrets of a giant mound shaped like a serpent.

42 Min

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TV-PG

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Available with Freestream

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S1 E1: Capone's Escape Tunnels

On Demand • Original Air Date: Feb 14, 2017

Investigating rumors of a secret underground escape route used by the infamous gangster Al Capone; trying to uncover who or what built a vast landscape of earthen mounds in Washington state.

42 Min

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TV-PG

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Available with Freestream