Massive Nature

Season 1 Episode 4: The Falls

Every year 300 million salmon return to the Alaskan river where they were born, but they are swimming into a trap. The upstream waterfalls are preyed upon by grizzly bears and bald eagles. How do the salmon survive the onslaught?

Genre:

Documentary

Seasons:

1

Episodes:

6

Cast:

Sean Pertwee

Quality:

HD

Duration:

30 min

First Air:

2004

Rating:

7.0