6.7/1010 votes#1 - Curse of the Amazon Nazis
Season 9 Episode 1 - Aired 3/11/2021
Experts follow evidence of a Nazi base in the Amazons to a dark discovery.
Director: N/A
Writer: N/A
5.9/1010 votes#2 - Epstein’s Forbidden Temple
Season 9 Episode 2 - Aired 3/18/2021
Satellite images capture a mysterious building on Jeffrey Epstein’s island.
Director: N/A
Writer: N/A
7.0/108 votes#3 - Aztec Alien Mystery
Season 9 Episode 3 - Aired 3/25/2021
Images reveal an alien substance in the land of the Aztecs.
Director: N/A
Writer: N/A
6.7/107 votes#4 - Gate to the Viking Gods
Season 9 Episode 4 - Aired 4/1/2021
New evidence reveals a Viking portal to their spiritual realm.
Director: N/A
Writer: N/A
7.2/109 votes#5 - America’s Swamp Castle
Season 9 Episode 5 - Aired 4/8/2021
Images reveal a forgotten war-torn fortress in the swamplands of Louisiana.
Director: N/A
Writer: N/A
6.8/105 votes#6 - Lost City of the Vampires
Season 9 Episode 6 - Aired 4/15/2021
Experts uncover a gravesite with the remains of possible vampire burials.
Director: N/A
Writer: N/A
NaN/100 votes#7 - Temple of the Island Eater
Season 9 Episode 7 - Aired 4/22/2021
A mystery in Hawaii points to human sacrifice and a shape-shifting god.
Director: N/A
Writer: N/A
NaN/100 votes#8 - Horror of Dead Man's Island
Season 9 Episode 8 - Aired 4/29/2021
Satellites lead experts to an island that may be linked to a massacre.
Director: N/A
Writer: N/A
7.2/105 votes#9 - 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.
Director: N/A
Writer: N/A
NaN/100 votes#10 - America's Secret Apocalypse
Season 9 Episode 10 - Aired 5/13/2021
Satellites capture evidence of catastrophic and secret military testing.
Director: N/A
Writer: N/A
The Best Episodes of What on Earth? Season 9
Every episode of What on Earth? Season 9 ranked from best to worst. Discover the Best Episodes of What on Earth? Season 9!
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...
Genre:Documentary
Network:Science
Season 9 Ratings Summary
"Curse of the Amazon Nazis" is the best rated episode of "What on Earth?" season 9. It scored 6.7/10 based on 10 votes. Directed by N/A and written by N/A, it aired on 3/11/2021. This episode is rated 0.8 points higher than the second-best, "Epstein’s Forbidden Temple".