Explore Episodes

The Deep

Mountain ranges, perpetual night, pressure and temperature extremes create unusual life forms

Open Ocean

Half-moon fish; loggerhead turtles; schools of sardines and tuna; vastness of the ocean

Frozen Seas

Life on the edge of frozen seas near the North and South poles

Seasonal Seas

Plankton use sunlight as an energy source in temperate-sea habitats

Coral Seas

Examining the fragile ecosystems and colorful life surrounding coral reefs

Tidal Seas

Predators utilize marshes created by tides; finback and humpback whales; sand crabs; surfing snails; dolphins


Breeding forces animals to come onto land; eagles; marine iguana; Olive Ridley turtles; killer whales hunt sea lion pups; rockhopper…