TV series
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
What on Earth? premiered February 10, 2015. We don't have a confirmed streaming, rental or purchase option yet.
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?
Choose an episode, then use the watch options above for the show.
Episode 1
Satellite images capture evidence of an abandoned town hidden in the American wilderness, and as experts analyze this new evidence, they reveal what this strange place has to do with a top-secret military plan to battle an army of the undead.
Where to watch What on Earth?
Episode 2
Crop circles spotted on an island in the Mediterranean might not be from aliens, but from a threat closer to home: Nazis; new discoveries help experts uncover who made them and for what sinister purpose.
Where to watch What on Earth?
Episode 3
Satellite images capture a volcanic island that suddenly appears in the Pacific Ocean, and when NASA scientists arrive to investigate, they are baffled to find it's home to a primordial slime and zombie creatures with origins in outer space.
Where to watch What on Earth?
Episode 4
Experts suspect a lost pyramid in China could be a secret military base.
Where to watch What on Earth?
Episode 5
The remains of an abandoned settlement high in the mountains of Peru could be an ancient Roman village, leaving experts to speculate if the Romans visited the Americas centuries before Columbus; if so, it could point to long-lost gold.
Where to watch What on Earth?
Episode 6
The remains of an abandoned settlement high in the mountains of Peru could be an ancient Roman village, leaving experts to speculate if the Romans visited the Americas centuries before Columbus; if so, it could point to long-lost gold.
Where to watch What on Earth?
Episode 7
Satellites capture a temple-like, Nazi structure hidden deep in the forests of Poland, leading an expert to investigate and uncover a tale of terrifying rituals, black magic and the rise of the most feared division of Hitler's war machine.
Where to watch What on Earth?
Episode 8
Satellites capture two strange patterns in the desert next to Area 51.
Where to watch What on Earth?
Episode 9
When satellites spot a strange, 2,000-year-old structure in Wales, some suspect a secret connection to King Arthur; using modern-day technology and ancient texts, experts investigate new leads that could point to the mythical Round Table.
Where to watch What on Earth?Episode information updated Sep 19, 2026
Available now in United States
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Andrew GoughSelf
ScienceUnited States