Secrets of the Ocean Realm

Season 1, Episode 9: Mountain in the Sea

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

All Episodes - Season 1

Cathedral in the Sea
Episode 1
Cathedral in the Sea
 Survival in the Sea
Episode 2
Survival in the Sea
 Venom
Episode 3
Venom
 Creatures of Darkness
Episode 4
Creatures of Darkness
 The Great Whales
Episode 5
The Great Whales
 Sharks
Episode 6
Sharks
 City in the Sea
Episode 7
City in the Sea
 Star Gardens
Episode 8
Star Gardens
 Mountain in the Sea
Episode 9
Mountain in the Sea
 Filming Secrets
Episode 10
Filming Secrets
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