Alaska is home to one of the world's most complex and spectacular ecosystems, and also one of the greatest wildlife mysteries - many animals decline dramatically in number with no clear explanations why. Against the breathtaking backdrop of magnificent mountains and seacoasts, the film attempts to unravel at least part of the enigma.

Sunday, 8/24/08 from 8-9 p.m. ET
Tuesday, 8/26/08 from 2:30-3:30 a.m. ET
Thursday, 8/28/08 from 4:30-5:30 a.m. ET