Season 4

1. Echoes of the Lost Mountaineer

2025-02-10 · 41m

The search for missing mountaineer Janet Mae Johnson, from 1973, gains momentum with the discovery of her backpack and camera in 2020.

2. Secrets of the Antarctic Abyss

2025-02-17 · 41m

In Siberia, a 44,000-year-old wolf, perfectly preserved in permafrost, may hold secrets about Ice Age bacteria and ancient microbial life

3. Woolly Mammoths Last Stand

2025-02-24 · 41m

Woolly Mammoths Last Stand: Travel to the most remote, uninhabitable parts of Earth to reveal great mysteries that have been frozen in time.

4. Battlefield Beneath the Alps

2025-03-03 · 41m

Battlefield 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.

5. The Giant Penguin Enigma

2025-03-10 · 41m

The 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.

6. The Patagonia Ice Dragon

2025-03-17 · 41m

The Patagonia Ice Dragon: A Dutch fluit shipwreck found in the Gulf of Finland reveals rare insights into 1600s maritime trade and naval architecture.

7. Ice Age Battlefield

2025-03-24 · 41m

Ice Age Battlefield: A Swiss fisherman uncovers ancient Celtic relics in Lake Neuchatel, hinting at a violent Iron Age battle around 225 BCE.

8. Siberian Death Mask

2025-03-31 · 41m

Siberian Death Mask: A 1700-year-old death mask from Siberia reveals ancient cranial surgery, shedding light on advanced medical practices of the Tashtyk culture.

9. Frozen Secrets of Prehistoric Warfare

2025-04-07 · 41m

Frozen 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.

10. The Donner Party's Lost Legacy

2025-04-14 · 41m

The 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.