UK,
(2009–2010), 7 h 48 min
(Length: 41–44 min)
VOD (1)
Episodes(11)
-
Arctic Circle (S04E01)
-
Alabama (S04E02)
-
Vietnam (S04E03)
-
Texas (S04E04)
-
Alaska (S04E05)
-
Pacific Island (S04E06)
-
China (S04E07)
-
Big Sky Country (S04E08)
-
Guatemala (S04E09)
-
Urban Survivor (S04E10)
-
North Africa (S04E11)
