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What on Earth?

What on Earth?

2015Returning Series12 Seasons131 Episodes6.4TMDB
Science

Satellites orbit Earth at 17,000 miles an hour, capturing images of our world that are breathtaking, but some are bizarre. This unique perspective reveals objects that seem to make no sense & phenomena that defy explanation. Such images force the question, what on Earth is that?

Season 12 Episodes

Browse every episode and jump into details.

Episode 2: Mystery of the Fallen Star

Jan 19, 2023 · 42m

Aerial archaeologists use laser imaging to capture a distinct star-shaped pattern carved into the marsh of a Florida swamp; experts investigate and reveal a lost Civil War fort linked to an extraordinary community with a tragic past.

Episode 3: Indiana's War Factory

Jan 26, 2023 · 42m

Satellite images capture a large compound of abandoned structures that are overgrown with vegetation in Indiana; experts investigate and uncover a derelict WWII munitions factory that played a crucial role in US military history.

Episode 4: Turkey's Lost Terror Dome

Feb 2, 2023 · 42m

Aerial drone imaging captures a circular man-made structure that appears to be centuries-old in the remote forests of Aydin, Turkey; experts investigate a lost ancient amphitheater with a history steeped in gladiatorial bloodshed.

Episode 5: Blood Feud of Gresham Castle

Feb 9, 2023 · 42m

Satellite images capture a mysterious fortification concealed beneath a patch of woodland in the remote stretches of Norfolk, England; experts investigate rival royal families and a lost castle that was destroyed during a medieval blood feud.

Episode 6: The Boneyard of Arizona

Feb 16, 2023 · 42m

Satellite images capture miles of aircraft precisely arranged in the vast Arizona desert; experts investigate the largest aircraft storage facility on Earth and the rotting remains of a defining moment in Cold War history.

Episode 7: Nevada's Mystery Marking

Feb 23, 2023 · 42m

Satellite images capture an enormous X shape mysteriously carved with precision in the remote Nevada desert; experts investigate a military emergency landing field linked to one of the most astonishing test programs in aviation history.

Episode 8: Ghost Ship of Ireland

Mar 2, 2023 · 42m

Satellite images reveal a mysterious vessel that suddenly appears marooned on a remote stretch of Ireland's southern coast; experts investigate and uncover a bizarre journey near the Bermuda Triangle that resulted in a US Coast Guard interception.

Episode 9: Secrets of Biosphere 2

Mar 9, 2023 · 42m

Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.

Episode 10: Arctic Hunters of Norway

Mar 16, 2023

Aerial archaeologists capture a series of mysterious dots buried beneath the remote, frozen landscape of Finnmark, Norway; experts investigate and reveal revolutionary hunting techniques developed by the oldest surviving Norwegian tribe.

Season 12 FAQ

Quick answers about this season's release timeline and episode lineup.

When did What on Earth? Season 12 premiere?

What on Earth? Season 12 premiered on January 12, 2023.

How many episodes are in What on Earth? Season 12?

What on Earth? Season 12 has 10 episodes.

What is the first episode of What on Earth? Season 12?

The season opens with Season 12 Episode 1, "Bullseye in the Sky". It aired on January 12, 2023.

Go to Season 12 Episode 1

Where to Watch

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