Filmmaker David Reichert tours the Crozet Islands off the coast of South Africa, observing killer whales as they hunt elephant seals and king penguins.
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.
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.
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.
Gorillas are observed in the rainforests of the Central African Republic, where ecotourism may be thwarted by the primates' hostile behavior towards tourists despite efforts to acclimate them to humans.
Australian biologist Bryan Fry searches the waters surrounding the remote Pacific island of Niue for the poisonous flat-tail sea snake so he can analyze the venom.
Photographer Antti Leinonen follows a a wolverine named Awra and her kits in Finland (and their father, Yorma), gaining valuable insights into these endangered and elusive creatures.