Jan 8, 2019 · 44m
Something strange in the Himalayas could be evidence of a top-secret CIA program to turn monks into killer agents; cutting-edge science helps experts investigate the truth behind the mysterious anomaly.


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?
Browse every episode and jump into details.
Jan 8, 2019 · 44m
Something strange in the Himalayas could be evidence of a top-secret CIA program to turn monks into killer agents; cutting-edge science helps experts investigate the truth behind the mysterious anomaly.
Jan 15, 2019 · 44m
Alien monoliths haunt the coast of England; an obliterated jungle points to an brutal narco gold rush; evidence of a strange blood-red creature emerging from the deep.
Jan 22, 2019 · 44m
A satanic symbol that points to an army of the dead in Siberia; a massive stone giant in a remote desert; evidence of a Russian doomsday device right on America's doorstep; cutting-edge technology helps experts answer sinister mysteries from space.
Jan 29, 2019 · 44m
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.
Feb 5, 2019 · 44m
A fleet of sunken ships that point to ghosts, cannibals, and bloodshed in early America; strange arctic holes that NASA can't explain; near Area 51, mysterious alien structures straight out of Star Wars.
Feb 12, 2019 · 44m
New discoveries from space give experts new clues in the hunt for Jack the Ripper; a strange object crash-lands in Antarctica, experts speculate it could be an alien visitor.
Feb 19, 2019 · 44m
Hundreds of shipwrecks in the middle of a desert in Africa. A ghost town where hundreds of its inhabitants have mysteriously died. Something strange in North Korea. Cutting-edge tech helps experts answer these sinister mysteries from space.
Feb 26, 2019 · 44m
A site that could be the Garden of Eden hides a deadly secret; when a gateway to hell suddenly opens, experts investigate where it leads; a mysterious shipwreck could be an infamous Soviet KGB pirate ship.
Mar 5, 2019 · 44m
Evidence of a mysterious 5,000-year-old structure suddenly appears in Ireland. A top-secret machine that can see back in time. A satanic pentagram in the snow that points to witchcraft in the New World.
Mar 12, 2019 · 44m
A strange circular forest next to a notorious cannibal site. When an eerie crater is spotted in Siberia, experts uncover if it could be evidence of Nikola Tesla's doomsday device. Cutting-edge tech helps experts answer these sinister mysteries from space.
Quick answers about this season's release timeline and episode lineup.
What on Earth? Season 5 premiered on January 8, 2019.
What on Earth? Season 5 has 10 episodes.
The season opens with Season 5 Episode 1, "CIA Killer Monks". It aired on January 8, 2019.
Go to Season 5 Episode 1