What On Earth?
TVPG
Science
Documentary
An exploration of breathtaking images and unfathomable mysteries.
Cast & Crew
Upcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Friday, April 10
CIA Killer Monks
Season 5 • Episode 1
Strange happenings in the Himalayas could be evidence of a program to turn monks into killer agents.
Friday, April 10
Terror of the Ice Snake
Season 6 • Episode 6
Satellites discover a mysterious trail of sinister black objects in the ice of Antarctica.
Friday, April 10
Finding Jack the Ripper
Season 5 • Episode 6
New clues in the hunt for Jack the Ripper; a strange object crash-lands in Antarctica.
Friday, April 10
Curse of Genghis Khan
Season 6 • Episode 7
Experts investigate a strange structure in the Gobi Desert that could reveal lost treasure.
Friday, April 10
Ghost Fleet of Cannibal Bay
Season 5 • Episode 5
A fleet of sunken ships that point to ghosts, cannibals and bloodshed in early America.
Saturday, April 11
Finding Jack the Ripper
Season 5 • Episode 6
New clues in the hunt for Jack the Ripper; a strange object crash-lands in Antarctica.
Saturday, April 11
Curse of Genghis Khan
Season 6 • Episode 7
Experts investigate a strange structure in the Gobi Desert that could reveal lost treasure.
Saturday, April 11
Ghost Fleet of Cannibal Bay
Season 5 • Episode 5
A fleet of sunken ships that point to ghosts, cannibals and bloodshed in early America.
Saturday, April 11
Terror of the Ice Snake
Season 6 • Episode 6
Satellites discover a mysterious trail of sinister black objects in the ice of Antarctica.
Friday, April 17
Mystery of the Desert Shipwrecks
Season 5 • Episode 7
Shipwrecks in the middle of a desert; a ghost town; something strange in North Korea.
Friday, April 17
Aliens of the Infinity War
Season 6 • Episode 4
Experts investigate a possible response to a message sent to an alien star cluster in 1974.
Friday, April 17
Phantoms in the Chamber of Secrets
Season 5 • Episode 9
A 5,000-year-old structure in Ireland; machine that can see back in time; witchcraft in New World.
Friday, April 17
World's Deadliest Threats
Season 6 • Episode 1
Experts use cutting-edge technology to reveal the truth behind sinister mysteries from space.
Saturday, April 18
Phantoms in the Chamber of Secrets
Season 5 • Episode 9
A 5,000-year-old structure in Ireland; machine that can see back in time; witchcraft in New World.
Saturday, April 18
World's Deadliest Threats
Season 6 • Episode 1
Experts use cutting-edge technology to reveal the truth behind sinister mysteries from space.
Saturday, April 18
Aliens of the Infinity War
Season 6 • Episode 4
Experts investigate a possible response to a message sent to an alien star cluster in 1974.
Watchlist Easy access to only the shows you care about — all in one simple place
Alerts Only important notifications — when a show is returning, when it becomes available to stream, and more.
Special Offers Exclusive products we release related to your favorite shows and streaming services