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Secrets of the Ocean Realm

Season 1 • Episode 1 • Cathedral in the Sea

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Secrets of the Ocean Realm Season 1, Episode 1: Cathedral in the Sea

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Visit the submarine forests of giant kelp in the Northeastern Pacific Ocean, one of the most spectacular marine ecosystems on Earth. Watch Secrets of the Ocean Realm Season 1, Episode 1 Cathedral in the Sea in HD free online. Enjoy high-quality streaming of Secrets of the Ocean Realm Season 1, Episode 1 and share your thoughts in the comments below!

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Episodes

10 episodes
Season 1
1

Cathedral in the Sea

Visit the submarine forests of giant kelp in the Northeastern Pacific Ocean, one of the most spectacular marine ecosystems on Earth.

26 min
2

Survival in the Sea

Reveals ocean creatures' reproduction habits and how they defend themselves from predators.

26 min
3

Venom

Deadly venom is just one of the survival strategies employed by anemones, scorpion fish, lion fish and other creatures that pack a deadly sting.

26 min
4

Creatures of Darkness

Profiles the sea's nocturnal dwellers, including harbor seals and the squid.

26 min
5

The Great Whales

Enter the world of the great whales and observe the magnificent humpback whales, the rare blue whale and the California grey whale.

26 min
6

Sharks

Reveals never-before-seen predation behaviors of the hammerhead, blue, basking and great white sharks.

26 min
7

City in the Sea

Reveals the staggering diversity of animal life in the Caribbean coral reef.

26 min
8

Star Gardens

An unprecedented look at the reef community beneath the cold waters of the North Pacific. Time-lapse photography captures amazing footage of starfish behavior.

26 min
9

Mountain in the Sea

Travel to the tiny island of Cocos off the west coast of Costa Rica; a refuge for large migratory marine animals.

26 min
10

Filming Secrets

Plunges viewers into the world of under-water film-making with Michele and Howard Hall and their dedicated crew.

26 min