The essential episodes of What on Earth?
Watch these 15 in order and you've got What on Earth? — each pick states its reason.
- 01
A massive tsunami hundreds of feet high that never touches land; a huge sinkhole in Florida; a secret underground base in China; a lake of blood in Baghdad.
- 02
Desperate signs from lost veterans in Vietnam captured by satellite. A fleet of massive ships stranded in the middle of a vast desert. Strange walls stretching vast distances across Northern California. Just what on earth are they?
- 03
A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen; tanks appear to be facig off in Antarctica next to an unworldly object; a water reservoir in LA suddenly turns black.
- 04
A strange forest of razor-shape stones could be home to an undiscovered Hobbit-like humanoid species; when a man-made island mysteriously appears off the US coast, new evidence points to secret government experiments into psycho-chemical warfare.
- 05
Zombie reindeer haunting the mountains of Norway. Strange circles in the sand by a secret US military base. A gigantic streak in the Arctic pointing towards alien life. Cutting-edge technology helps experts answer these sinister mysteries from space.
- 06
When a strange pattern appears in a field, experts wonder if its an extraterrestrial response to a message sent to an alien star cluster in 1974, and using cutting-edge science, they uncover its true meaning.
- 07
When satellites spot anomalies in the unexplored Amazonian jungle, experts wonder if they've discovered relics of a lost civilization; an on-the-ground investigation reveals a dark truth that's more sinister than ever imagined.
- 08
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.
- 09
Mysterious satellite images lead an archaeologist to investigate a cemetery on Devil's Island, the notorious penal colony in the tropics of South America; what he finds there reveals evidence of grisly executions that fueled a shark feeding frenzy.
- 10
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.
- 11
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.
- 12
When investigators spot strange anomalies in the Amazon jungle, the discovery stokes rumors of a long-lost Nazi base in the Americas.
- 13
Satellite images capture a mysterious collection of sprawling towns that appear to be completely unoccupied in Belarus; experts investigate and uncover a horrendous state-sanctioned cover-up responsible for claiming thousands of innocent lives.
- 14
Satellite images capture a bizarre industrial complex in the remote desert expanse of Kazakhstan. Experts investigate and uncover a massive hangar containing a Buran or Soviet space shuttle, the most expensive spacecraft in the history of Soviet-era space exploration.
- 15
Aerial drone imaging captures a circular man-made structure that appears to be centuries-old in the remote forests of Aydin Province in western Turkey. Experts investigate a lost ancient Roman amphitheater with a history steeped in gladiatorial bloodshed.
Shows like What on Earth?
The closest matches on shared genres, ranked by match strength and popularity.
- 01Mystery·Nature·HistoryThe essential episodes of Cosmos1980–2020·National GeographicHosted by renowned astrophysicist Neil deGrasse Tyson, Cosmos will explore how we discovered the laws of nature and found our coordinates in space and time.
- 02Mystery·Nature·HistoryThe essential episodes of The Sky at Night1957–present·BBC FourOur team of astronomers tell us what's on view in the night sky.
- 03Mystery·Nature·HistoryThe essential episodes of Lost Treasures of Egypt2019–present·National Geographic
An immersive, action-packed series follows international teams of Egyptologists as they unearth the world's richest seam of ancient archaeology — Lost Treasures of Egypt. - 04Mystery·Nature·HistoryThe essential episodes of Strip the Cosmos2014–2020Same network — Science·

- 05Mystery·History·AdventureThe essential episodes of Expedition Unknown2015–present·Discovery
In the hit series Expedition Unknown, Travel Channel's witty explorer Josh Gates seeks answers to some of the world's most captivating unsolved stories and legends. - 06Nature·HistoryThe essential episodes of NOVA1974–present·PBS
NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will…




























