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David Attenborough
Self - Presenter
1The Great Melt
Feb 11, 200950 min
The summer melt of Arctic ice provides opportunities for millions of animals.
2The Great Salmon Run
Feb 18, 200950 min
Every year, the survival of grizzly bears in North America depends on a spectacular natural event: the return of hundreds of millions of salmon from the Pacific Ocean to the mountain streams where they were born. This great return provides food not only for bears, but for killer whales, wolves, bald eagles and the very forest itself. Will the salmon return in time to keep the hungry bears alive?
3The Great Migration
Feb 25, 200950 min
The story of a lion family's struggle to survive until the return of the great migration.
4The Great Tide
Mar 4, 200950 min
A look at the sardine run, which happens each winter along the South African coast.
5The Great Flood
Mar 11, 200950 min
Millions of animals time their migration across the Kalahari Desert to coincide with the the annual flooding of Botswana's Okavango Delta.
6The Great Feast
Mar 18, 200950 min
The summer plankton bloom in the north-east Pacific draws in animals in great numbers, from the billion-strong shoals of herring to migratory humpback whales.