Episode 1
Bullseye in the Sky
42m
Satellite capture a bizarre pattern obscuring an eastern Atlantic island.
Where to watch What on Earth?
TV series
What on Earth?
2015TV-PG12 seasons6.5 / 10
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?
Availability
Not streaming in United States
What on Earth? premiered February 10, 2015. We don't have a confirmed streaming, rental or purchase option yet.
Synopsis
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
Choose an episode, then use the watch options above for the show.
Episode 2
Mystery of the Fallen Star
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.
Where to watch What on Earth?
Episode 3
Indiana's War Factory
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.
Where to watch What on Earth?
Episode 4
Turkey's Lost Terror Dome
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.
Where to watch What on Earth?
Episode 5
Blood Feud of Gresham Castle
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.
Where to watch What on Earth?
Episode 6
The Boneyard of Arizona
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.
Where to watch What on Earth?
Episode 7
Nevada's Mystery Marking
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.
Where to watch What on Earth?
Episode 8
Ghost Ship of Ireland
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.
Where to watch What on Earth?
Episode 9
Secrets of Biosphere 2
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.
Where to watch What on Earth?
Episode 10
Arctic Hunters of Norway
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.
Where to watch What on Earth?Episode information updated Sep 17, 2026
Available now in United States
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More about What on Earth?
Cast
Steven KearneyNarrator
Andrew GoughSelfProduction details
- Status
- Returning Series
- Series type
- Documentary
- Episodes
- 131
- Original language
- English
Networks & production
ScienceUnited States- Wag TV
Themes
satellite imagery