disc 1. Crocodile : miling predator / produced by Karen Bass ; written by Susan Western. Eagle : master of the skies / produced and written by John Downer. Leopard : agent of darkness / produced by Amanda Barrett and Owen Newman ; written by Amanda Barrett. Polar bear : Arctic warrior / produced and written by Martha Holmes -- disc 2. Humpback whale : giant of the oceans / produced by Andy Byatt and Rick Rosenthal ; written by Andy Byatt. Wolf : legendary outlaw / produced by Mike Salisbury ; written by Susan Western ; directed by Ian McCarthy.
Special features: Great natural wonders of the world / produced by Peter Crawford -- Greatest wildlife show on Earth / produced by Stephen Dunleavy.