Herpetologist Romulus Whitaker searches in India for a mate for his king cobra, Elvis, in hopes of creating a sanctuary for a captive-breeding program.
Filmmaker David Reichert tours the Crozet Islands off the coast of South Africa, observing killer whales as they hunt elephant seals and king penguins.
A chronicling expedition to obtain footage of the Butaan monitor lizard, a 7-foot-long, tree-climbing, fruit-eating reptile threatened by habitat destruction and hunting.
Wildlife advocate Peter Gros travels to Otjiwarongo, Namibia, to meet Laurie Marker at the Cheetah Conservation Fund Research Center where they observe cheetahs and discuss their future.
Leopard seals, top predators of Antarctic oceans, are observed by underwater photographer Goran Ehlme as they prey on hapless penguins. Included: a close encounter with a large, aggressive female leopard seal.
In a bizarre reversal of natural order, a lioness adopts an oryx calf. Saba Douglas-Hamilton observes this strange turn of events in Kenya's Rift Valley, as local people fret over the fate of the two animals.
Meerkats, diminutive mammals of the Kalahari desert, are observed as their extended family group struggles to survive in the harsh environment and avoid predators, including monitor lizards, eagles and snakes.
Night-vision cinematography and infrared cameras observe the activity of nocturnal felines, including servals and wildcats and a caracal caring for its litter of kittens.
Filmmaker Arne Naevra and zoologist Nikita Ovsyanikov observe polar bears on Wrangel Island, located in the Arctic Ocean off the northeast coast of Russia, focusing on an orphaned cub struggling to survive in the harsh environment.
The heavyweight champ of the Luangwa River in Africa is determined in a 10-round comparison between hippos and crocodiles that factors in size, defensive capabilities and metabolic efficiency.
Creatures of the southern Kalahari Desert and Namibian coast such as moles, lizards, beetles and ants and their unique adaptations to the harsh environment, are observed.
Lions in Botswana's Okavango Delta are examined as they take to the water in a display of unusual behavior. Biologists are observed as they tag the big cats and track their movements using GPS technology.
Researcher Holly Carroll studies a troop of yellow baboons in Tanzania, focusing on the matriarchal structure of the group and threats from human encroachment and habitat destruction.
