Nature's Great Events

E01▶

The Great Melt

Feb 11, 2009 · 50m

E02Playing

The Great Salmon Run

Feb 18, 2009 · 50m

E03▶

The Great Migration

Feb 25, 2009 · 50m

E04▶

The Great Tide

Mar 4, 2009 · 50m

E05▶

The Great Flood

Mar 11, 2009 · 50m

E06▶

The Great Feast

Mar 18, 2009 · 50m

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?