The Blue Planet Season 1 Episode 5

The Blue Planet → Season 1 → Episode 5: 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.
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Watch Seasonal Seas
Air Date: 10 October 2001
Director: Alastair Fothergill
Language: English
Runtime: 49 Minutes
More Info: IMDb

Cast: David Attenborough, Pierce Brosnan


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