S1 E4 | When the Seas Died

0h 41m|Animals, Documentary, Nature, Ancient history|NBC|NBC|2026

The harrowing story of a giant marine reptile who scours the dying seas to find food for her unborn baby before giving birth amidst a super hurricane.

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E8 | When America Flooded

E7 | When the Continents Collided

E6 | When the Oceans Shrank

E5 | When the Forests Collapsed

E4 | When the Seas Died

E3 | When the Asteroid Fell

E2 | When the Climate Broke

E1 | When the Earth Burned

GENREAnimals, Documentary, Nature, Ancient history

DETAILSNetwork: NBC Runtime: 41m Rating: TVG