Nature: Fortress of the Bears
Preview | 30s
"Fortress of the Bears" – Millions of salmon return to Alaska’s Admiralty Island each year, providing a feast for the largest concentration of bears in the world. But this year, the salmon fail to arrive. (Also Thu. 12/10 at 2 a.m.; Sat. 12/12 at 6 p.m.; Sun. 12/13 at 3 p.m.)
Aired: 12/09/15
Expired: 12/09/15
