Season 1
Episode: 1x01 | Airdate: Jun 1, 2020
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time. This programme reveals how and why humans have become frozen in time, from missing Second World War aircraft to a frozen lake filled with human remains.
Episode: 1x02 | Airdate: Jun 8, 2020
The fate of a British South American Airways flight, which disappeared in a snowstorm on August 2 1947 en route from Buenos Aires to Chile. For decades the fate of the craft and its 11 passengers and crew was surrounded by rumours of escaping Nazi spies and stolen gold.
Episode: 1x03 | Airdate: Jun 15, 2020
More fascinating history buried frozen in the ice, from the body of a legendary mountaineer to the discovery of a zombie virus.
Episode: 1x04 | Airdate: Jun 22, 2020
More secrets buried in ice, from an ancient mummy with fantastical tattoos buried in Siberia to the remains of a rare infant woolly rhino.
Episode: 1x05 | Airdate: Jun 29, 2020
Great mysteries that have been frozen in time, from a body buried on the Himalayas' Killer Mountain to the remains of a woolly mammoth.
Episode: 1x06 | Airdate: Jun 29, 2020
Great mysteries that have been frozen in time, from the mummified remains of three Inca children in the Andes to members of the ancient Yupik people in Alaska.
Season 2
Episode: 2x01 | Airdate: Oct 26, 2021
A salvage team discovers the mysterious remains of an enormous shipwreck near Cambridge Bay in the icy waters of the Canadian Arctic. Experts investigate and uncover a cutting-edge vessel with links to one of the greatest polar explorers in history.
Episode: 2x02 | Airdate: Nov 2, 2021
Preserved in the ice of Mexico's highest peak, a group of climbers stumbles upon the bizarre, mummified remains of a man in a pinstripe business suit. Experts uncover possible drug cartel connections and a plane crash shrouded in secrecy.
Episode: 2x03 | Airdate: Nov 9, 2021
An unidentified metal object is found on Kiska Island, while a centuries-old gold mining mystery is investigated. In Siberia, a network of ice tunnels is explored, while fossils unearthed in the Canadian Arctic lead to the discovery of a new species.
Episode: 2x04 | Airdate: Nov 16, 2021
Archaeologists discover an unusual man-made rock formation in the remote Altai Mountains of Russia, and conducting a further excavation, unearth an ancient log cabin and the mummified remains of two bodies buried deep in the frozen permafrost.
Episode: 2x05 | Airdate: Mar 3, 2022
Mountain climbers in California find the body of a US Army soldier, strange bundles of canvas and wood are discovered on an Alaskan mountain and volcanic glass is found in an unexpected place. A vital Second World War weather station is uncovered.
Episode: 2x06 | Airdate: Mar 10, 2022
Archaeologists make a grim discovery when they uncover the remains of a mummified boy buried in the frozen Siberian landscape, and as researchers continue their excavation, they uncover 88 additional graves linked to a mysterious, ancient necropolis.
Episode: 2x07 | Airdate: Mar 17, 2022
Experts and scientists expose more dark secrets, forgotten treasures, and lost relics from some of the coldest places on Earth.
Episode: 2x08 | Airdate: Mar 24, 2022
Climbers make a shocking discovery when they encounter the remains of two human bodies high atop New Zealand's Mount Cook. After a forensic investigation, a decades-old mystery reignites that could rewrite mountaineering history.
Episode: 2x09 | Airdate: Mar 31, 2022
Yttygran Island in the easternmost tip of Russia is home to the Whale Bone Alley, a 550m stretch of land where giant whale bones and skulls dot the landscape like strange, ancient standing stones.
Episode: 2x10 | Airdate: Apr 7, 2022
Archaeologists discover human remains during an excavation of a fifth-century fort on the Swedish island of Oland. After further investigation, experts unearthed 26 skeletons and uncover the site of an ancient massacre
Season 3
Episode: 3x01 | Airdate: Jan 8, 2024
A grim discovery in a Swedish lake reveals shocking ancient practices. Meanwhile, in the Canadian Arctic, the fossil of a previously unknown mammal is found.
Episode: 3x02 | Airdate: Jan 15, 2024
In a Danish bog, hundreds of mutilated ancient bones are found, while a mysterious deserted island belonging to Russia is explored.
Episode: 3x03 | Airdate: Jan 22, 2024
Archaeologists in Russia find several mass graves, a Second World War plane sits on a Canadian mountain and cosmic rays in Antarctica have experts stumped.
Episode: 3x04 | Airdate: Jan 29, 2024
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time. This episode considers Ecuador's mountain mystery.
Episode: 3x05 | Airdate: Feb 5, 2024
A team attempts to locate a British Second World War aeroplane that went missing in Iceland. Plus, in Russia, 34,000-year-old graves are discovered.
Episode: 3x06 | Airdate: Feb 12, 2024
Bizarre ice formations in the Antarctic Ocean are investigated and a discovery off the east coast of Canada may be connected to a tragic event. In the most remote, cold, and inhospitable places on the planet, scientists and adventurers have uncovered mysteries that have been frozen in time.
Episode: 3x07 | Airdate: Feb 19, 2024
Mysterious industrial waste is discovered in an uninhabited part of Greenland. Meanwhile, strange mounds are found deep within the Arctic Circle.
Episode: 3x08 | Airdate: Feb 26, 2024
A group of hikers trekking across the Italian Alps stumble upon abandoned military infrastructure. What purpose did these camouflaged buildings serve?
Episode: 3x09 | Airdate: Mar 4, 2024
A secret military base is discovered a few hundred miles from the North Pole, while a man-made stone formation is found 120-feet below Lake Huron.
Episode: 3x10 | Airdate: Mar 11, 2024
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time. This edition features a giant naval vessel located on the bottom of the Norwegian Sea and an ancient reptile-like creature found in the permafrost of Canada's Arctic. In Scotland, archaeologists are drawn to a strange, figure-eight shaped ditch, while an Antarctic research base finds itself suddenly surrounded by blood-soaked snow.
Season 4
Episode: 4x01 | Airdate: Feb 10, 2025
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time. Merging CGI re-creations, advanced scanning technology and scientific research, the series investigates the curiosities that have been lost for millennia, or never seen before.
Episode: 4x02 | Airdate: Feb 17, 2025
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time. Merging CGI re-creations, advanced scanning technology and scientific research, the series investigates the curiosities that have been lost for millennia, or never seen before.
Episode: 4x03 | Airdate: Feb 24, 2025
The history of the woolly mammoth, revealing adaptations that helped the species evolve from its origin in the tropics to surviving in Siberia.
Episode: 4x04 | Airdate: Mar 3, 2025
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time. Merging CGI re-creations, advanced scanning technology and scientific research, the series investigates the curiosities that have been lost for millennia, or never seen before.
Episode: 4x05 | Airdate: Mar 10, 2025
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time.
Episode: 4x06 | Airdate: Mar 17, 2025
The Patagonian ice dragon, which isn't actually a dragon but an insect that has adapted to life on the frozen glaciers of South America's Andes Mountains, the only bug that lives on the Patagonian ice fields. Scientists believe that their bodies contain natural antifreeze, which stops their blood from turning solid amidst the bitter cold.
Episode: 4x07 | Airdate: Mar 24, 2025
Visits to the most remote, cold and inhospitable places on the planet to reveal great mysteries that have been frozen in time. Here, a Swiss fisherman uncovers ancient Celtic relics in Lake Neuchâtel, hinting at a violent Iron Age battle that happened around 225BCE.
Episode: 4x08 | Airdate: Mar 31, 2025
The Siberian death mask, which was discovered in eastern Siberia in 1968 in a burial mound with cremated remains. It is a clay head sculpture of a young man that contains a ram's skull.
Episode: 4x09 | Airdate: Apr 7, 2025
Great mysteries that were once frozen in time, here focusing on secrets now revealed of prehistoric warfare.
Episode: 4x10 | Airdate: Apr 14, 2025
The lost legacy of the Donner Party, a group of nearly 90 emigrants who left Illinois in the spring of 1846, heading westward to California in covered wagons. Delayed by a multitude of mishaps, they spent the next winter snowbound in the Sierra Nevada, with some resorting to cannibalism to survive.