The great archipelago of Japan is home to the dancing red-headed crane, the goat-antelope serow, Asiatic bears, huge salamanders and more.
The McKendricks are on the verge of a divorce over their American bulldog, Gunny. Can Cesar stop him attacking everything that moves?
Cesar argues that many dogs accused of being 'bully breeds' are in fact highly intelligent and, with proper training, can be loving companions.
Some strike without warning. Others move at blinding speed. Each possesses a special tactic that makes it a prime predator.
Dr Sanjayan travels deep into the Amazon, as well as visiting Alaskan rainforest and Portugal's cork forests.