Land of the Lost Wolves

Part one of two. Wildlife cameraman Gordon Buchanan documents the return of wolves to the snowy peaks of Washington's Cascade Mountains. He charts the fortunes of first pack to live in the north-west of America in 70 years after all but being wiped out across the country

Thursday, 16 July 1 airing
16:15
BBC Two
S1 E1
Friday, 17 July 1 airing
16:15
BBC Two
S1 E2