S7 episodes 1-19 streaming until 4 Jan 2026
What On Earth?, Episode 19
Season 7, Episode 19
HDWatch all available episodes of What On Earth? Season 7
When mysterious structures are discovered deep in a remote forest, experts investigate if this strange site was the long-lost birthplace of a top-secret Nazi project that produced some of the deadliest weapons the world had ever seen.
Episode 2When instruments on the International Space Station suddenly malfunction every time it passes over a mysterious site in the Atlantic Ocean, experts investigate if this eerie behavior is more than just a tech glitch, but a prophecy of global doomsday.
Episode 3Mysterious circles of reindeer appear in the remote tundra of Sweden. Experts investigate if this strange event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster.
Episode 4When an island off the coast of Mexico suddenly disappears, government officials scramble to find an explanation.
Episode 5When the people of a thriving Midwestern town suddenly disappear, they leave behind an eerie ghost town with a dark secret. Experts use cutting-edge tech to investigate if the mysterious exodus could be evidence of a freak natural disaster.
Episode 6When satellites spot anomalies in the unexplored Amazonian jungle, experts wonder if they've discovered relics of a lost civilisation and an on-the-ground investigation reveals a dark truth that's more sinister than ever imagined.
Episode 7Aerial images reveal a strange dark stain covering a coastal town.
Episode 8Experts uncover a labyrinth that could lead them to the secrets of Imhotep.
Episode 9Strange satellite images taken above the Nile Valley could point investigators to long-lost relics buried in an unexplored city of the dead. What they find could reveal new secrets of Kush, a once-mighty kingdom of untold gold and treasure.
Episode 10New satellite evidence reveals a mysterious spiral structure from space and experts speculate that it could be the lost city of Atlantis.
Episode 11When an extreme drought hits Spain, the ruins of a long-lost civilization suddenly emerge and using cutting-edge technology, experts investigate evidence of ancient cannibalism.
Episode 12Bizarre markings are observed from space in oceans and deserts across the planet. Strange sightings point to conspiracies that could have global repercussions. Just what on Earth are they?
Episode 13Modern imaging technology and analysis by military and intelligence professionals, as well as leading scientists, investigate mysteries ranging from strange geological occurrences to weird man-made structures, as seen by more than 4,000 orbiting satellites.
Episode 14Bizarre markings are observed from space in oceans and deserts across the planet. Strange sightings point to conspiracies that could have global repercussions.
Episode 15Eerie anomalies were detected by the International Space Station over a mysterious site in the Atlantic Ocean, which could be a harbinger of global catastrophe.
Episode 16Discover Mummies, Romans and the Biblical Plagues of Egypt and The Female Super Soldiers of Voodoo Lake.
Episode 17Hitler's 400-foot secret supergun, something big and weird in the Atlantic and inside the Frankenstein tomb of horrors.
Episode 18Booze, bombs and death-defying escapades in the New Jersey Pine Barrens murder dome. The hell cruise to King Solomon's island. Countdown to Armageddon, the desert doomsday clock. Lair of the blood sucking billionaire. A terror code rises from the earth.
Episode 19The ghost towns of the twilight zone. America's secret starvation experiment. The atomic ice worm. Rome's mystery ancient megastructure. The Island that changed history.
Show more- About this episode
- The ghost towns of the twilight zone. America's secret starvation experiment. The atomic ice worm. Rome's mystery ancient megastructure. The Island that changed history.
- CrewSusanna Herbert (Director), Bella Falk (Director)
- GenreFeatures, Factual
- Seasons7
- StudioSky History
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