Sezon 29
Bölümler
1 Cuba: The Accidental Eden 26 Eyl 2010 
2 Echo: An Elephant to Remember 17 Eki 2010 
3 A Murder of Crows 24 Eki 2010 
4 Braving Iraq 7 Kas 2010 
5 Wolverine: Chasing the Phantom 14 Kas 2010 
6 Revealing the Leopard 21 Kas 2010 
7 Elsa's Legacy: The Born Free Story 9 Oca 2011 
8 Birds of the Gods 23 Oca 2011 
9 The Himalayas 13 Şub 2011 
10 Broken Tail: A Tiger's Last Journey 20 Şub 2011 
11 Outback Pelicans 27 Mar 2011 
12 Survivors of the Firestorm 17 Nis 2011 
13 Salmon: Running the Gauntlet 1 May 2011 
14 Bears of the Last Frontier: City of Bears 8 May 2011 
15 Bears of the Last Frontier: The Road North 15 May 2011 
16 Bears of the Last Frontier: Arctic Wanderers 22 May 2011