Season 4
10 episodes · Feb 10, 2025
Season Videos
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S4E1Echoes of the Lost Mountaineer
Feb 10, 202541mThe search for missing mountaineer Janet Mae Johnson, from 1973, gains momentum with the discovery of her backpack and camera in 2020.
S4E2Secrets of the Antarctic Abyss
Feb 17, 202541mIn Siberia, a 44,000-year-old wolf, perfectly preserved in permafrost, may hold secrets about Ice Age bacteria and ancient microbial life
S4E3Woolly Mammoths Last Stand
Feb 24, 202541mWoolly Mammoths Last Stand: Travel to the most remote, uninhabitable parts of Earth to reveal great mysteries that have been frozen in time.
S4E4Battlefield Beneath the Alps
Mar 3, 202541mBattlefield Beneath the Alps: In the Swiss Alps, a Roman dagger discovery reveals a 2,000-year-old battlefield where the Suanetes tribe fell to the Roman Empire.
S4E5The Giant Penguin Enigma
Mar 10, 202541mThe Giant Penguin Enigma: Mauro De Mauro's disappearance in Italy reveals remains in a Mount Etna cave, linked to mafia ties and a 1962 assassination.
- S4E6
The Patagonia Ice Dragon
Mar 17, 202541mThe Patagonia Ice Dragon: A Dutch fluit shipwreck found in the Gulf of Finland reveals rare insights into 1600s maritime trade and naval architecture.
- S4E7
Ice Age Battlefield
Mar 24, 202541mIce Age Battlefield: A Swiss fisherman uncovers ancient Celtic relics in Lake Neuchatel, hinting at a violent Iron Age battle around 225 BCE.
- S4E8
Siberian Death Mask
Mar 31, 202541mSiberian Death Mask: A 1700-year-old death mask from Siberia reveals ancient cranial surgery, shedding light on advanced medical practices of the Tashtyk culture.
- S4E9
Frozen Secrets of Prehistoric Warfare
Apr 7, 202541mFrozen Secrets of Prehistoric Warfare: Floods in Uttarakhand raised fears of buried Cold War nukes, but scientists linked it to a glacier collapse and environmental impacts.
- S4E10
The Donner Party's Lost Legacy
Apr 14, 202541mThe Donner Party's Lost Legacy: Artifacts like glass shards and a writing slate from the tragic Donner Party of 1846 have been recently uncovered in the Sierra Nevada.