Season 21, Episode 13 A Mystery in Alaska

First Aired: May 11, 2003

An examination of the decline in sea lions off the Alaskan coast. Suspected factors include diet; changes in climate and ocean conditions; unusual feeding by whales; and pollution. The population has dropped 80 percent in the last 20 years.

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  • Premiered: October 10, 1982
  • Rating: TV-G
  • User Rating:4.65 out of 5 (66 ratings)
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  • Premise: PBS's signature (and multi-award-winning) natural-history series uses gifted wildlife documentarians and stunning photography to reveal what its first host, Donald Johanson, called `the magic and mystery of the fascinating natural world.' The series has ga… (more)

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