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The Blue Planet

Seasons: 1
Episodes: 10
User ratings: 26,876
Average rating: 8.9


Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.

Episodes ratings graph

Season 1


Episodes details table

Ocean World
The ocean's influence dominates the world's weather systems and supports an enormous range of life. This first episode demonstrates the sheer scale, power and complexity of the "Blue Planet".
User ratings: 603
Average rating: 6.6
The Deep
The deep sea, which gets darker with increasing depth until no more sunlight penetrates at about a kilometer depth, and ever colder closer to the bottom of the ocean, covers most of the planet and is thus by far the largest habitat on earth, yet has been explored less than space, so most scientific expeditions, at depths requiring modern submarine technology, discover at least one new species, or even whole new branches of submarine life. Like everywhere else, evolution has over millions of years produced several amazing adaptations to even the most extreme conditions, here especially to the lack of sunlight, with its problems for procreation, searching food and fleeing hunters, such as photophore cells which produce specific light types, mimic rare light penetrating from above, etcetera.
User ratings: 617
Average rating: 6.9
Open Ocean
Endless blue stretches in every direction. The sea bed is a staggering eight kilometers deeper down and the nearest island is 500 kilometers away. There is nothing save the burning sun above and the blackened abyss below. How, then, does life exist?
User ratings: 512
Average rating: 6.3
Frozen Seas
Life on the edge of a frozen sea is tough. Ice at both poles is constantly moving, and in winter freezes solid with air temperatures 70 °C below freezing. Only in spring, with the retreating ice and light reaching the water, does life begin again.
User ratings: 515
Average rating: 6.3
Seasonal Seas
Shafts of sunlight are the vital source of energy used by the countless billions of plankton that grow every spring and summer in the world's temperate sea, the richest of all habitats.
User ratings: 459
Average rating: 6.1
Coral Seas
Coral reefs are the rainforests of the sea; fish compete for food, territory and mates within this oasis of life. Incredible time-lapse photography shows the dramatic formation of a coral reef, portraying its inhabitants and its ultimate destruction.
User ratings: 471
Average rating: 6.2
Tidal Seas
Tidal marshes are one of the most productive parts of the world. Numerous plants support numerous animals, yet life is not easy: predators are attracted to these enormous quantities of food, forcing animals to seek constant protection from attack.
User ratings: 450
Average rating: 6.2
The boundary between land and sea is an exciting place, with seabirds, turtles, and marine mammals constantly coming and going.
User ratings: 455
Average rating: 6.2
Deep Trouble
For years man has ploughed the ocean in search of food and riches, but now we may be about to use this valuable asset, such is the intolerable strain we have inflicted. Deep Trouble is presented by Martha Holmes.
User ratings: 298
Average rating: 5.0
Making Waves
The program takes a fascinating behind-the-scenes look at the making of this epic series. High adventure and stunning wildlife are combined with intimate, and at times emotional, studies of the characters who bought it to the screen.
User ratings: 282
Average rating: 5.0
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