The BEST episodes of What on Earth? season 9

Every episode of What on Earth? season 9, ranked from best to worst by thousands of votes from fans of the show. The best episodes of What on Earth? season 9!

Eyes in the sky. Watching us from space. Hundreds of satellites showing us the world like we've never seen it before. Capturing images which are breathtaking but bizarre. Objects and phenomena which defy explanation. Baffling phenomena seen from space, what on Earth are they?

Last Updated: 12/13/2024Network: Science ChannelStatus: Continuing
Curse of the Amazon Nazis
star
7.76
29 votes

#1 - Curse of the Amazon Nazis

Season 9 - Episode 1 - Aired 3/11/2021

When investigators spot strange anomalies in the Amazon jungle, the discovery stokes rumors of a long-lost Nazi base in the Americas. Ancient circle in Cornwall Britain that predate King Arthur and tin mines in Britain. NASA alien landscape in Arizona US.

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Temple of the Island Eater
star
7.75
28 votes

#2 - Temple of the Island Eater

Season 9 - Episode 7 - Aired 4/22/2021

Satellites capture evidence of a mysterious structure in a remote and rocky area of Hawaii, and when experts investigate, what they find could point to human sacrifices and the wrath of a shape-shifting god.

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Aztec Alien Mystery
star
7.70
27 votes

#3 - Aztec Alien Mystery

Season 9 - Episode 3 - Aired 3/25/2021

When satellite images spot a strange white substance in the land of the Aztecs, experts investigate the site for extraterrestrial connections; what they find could explain the rise of one of the world's greatest civilizations.

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Horror of Dead Man's Island
star
7.67
27 votes

#4 - Horror of Dead Man's Island

Season 9 - Episode 8 - Aired 4/29/2021

When a gigantic ship emerges from the sands of a strange island, experts investigate; what they find reveals evidence of a horrific Viking massacre.

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America's Secret Apocalypse
star
7.61
28 votes

#5 - America's Secret Apocalypse

Season 9 - Episode 10 - Aired 5/13/2021

Satellite images reveal a mysterious pattern of six perfect circles hidden in the desert landscape of New Mexico; experts investigate and uncover evidence of catastrophic military testing deliberately erased from history.

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Epstein’s Forbidden Temple
star
7.58
26 votes

#6 - Epstein’s Forbidden Temple

Season 9 - Episode 2 - Aired 3/18/2021

Satellite images capture a mysterious building on Jeffrey Epstein's island. Satellite evidence of a strange building on a mysterious island owned by Jeffrey Epstein points to something sinister; experts use cutting-edge technology to investigate why it was built and what goes on here.

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America's Swamp Castle
star
7.54
35 votes

#7 - America's Swamp Castle

Season 9 - Episode 5 - Aired 4/8/2021

Satellite images capture bizarre structures in the remote and inhospitable swamplands of Louisiana; experts investigate a forgotten war-torn fortress with a mysterious connection to the sinking ruins of a classified military installation.

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Stalin's Secret Atlantis
star
7.53
30 votes

#8 - Stalin's Secret Atlantis

Season 9 - Episode 9 - Aired 5/6/2021

When experts spot what appears to be an abandoned city in the Caspian Sea, they investigate declassified Cold War evidence to reveal an Atlantis-like city built by the Soviets; what they find exposes its long-lost secrets.

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Gate to the Viking Gods
star
7.52
27 votes

#9 - Gate to the Viking Gods

Season 9 - Episode 4 - Aired 4/1/2021

New evidence reveals dozens of bizarre circular structures buried in the remote hills of Norway; an expert investigation uncovers a mysterious burial ground that may have been a portal to the Viking spiritual realm.

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Lost City of the Vampires
star
7.41
29 votes

#10 - Lost City of the Vampires

Season 9 - Episode 6 - Aired 4/15/2021

Satellite images reveal a long-lost village buried in a dense forest; archaeologists investigate and uncover a mysterious gravesite with the remains of decapitated skeletons and possible evidence of vampire burials.

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