Naturalist Nick Baker searches the world for the strangest animals he can find, starting with a sightless salamander known as the 'human fish'. He travels to the Postojna caves in Slovenia to find the blind, albino lizard, discovering the creature's skin is very similar to human flesh. Determined to learn more, he ventures 27 kilometres underground and camps for 24 hours in absolute darkness

Naturalist Nick Baker encounters the tarsier in the remote jungles of south-east Asia, a creature with an uncanny resemblance to the mythical gremlin. Starting in the Tangkoko nature reserve on the Indonesian island of Sulawesi, he begins his search for the elusive carnivorous primate

Naturalist Nick Baker goes in search of the alligator snapping turtle in the swamps and marshlands close to the Louisiana city of New Orleans. The creature has powerful claws and jaws and a bite that's among the most vicious in the animal kingdom, easily surviving natural threats such as hurricane Katrina

Naturalist Nick Baker visits America, where he encounters rare giant salamander the hellbender, a creature with a reputation as a poisonous menace to the local fishing industry. Starting in the Ozark region of Missouri, he investigates the causes of a severe drop in the local population, a problem which has the authorities stumped

Naturalist Nick Baker goes in search of chameleons in Madagascar, hoping to dispel some of the common myths surrounding the creatures

Naturalist Nick Baker, along with his angling enthusiast father, travels from the Withy Pool in East Sussex to the River Ebro in Spain to test his mettle against the wels catfish, known as the largest freshwater fish in the Western world

The naturalist heads to Madagascar in search of a vision from his own childhood nightmares, the rare aye-aye lemur, whose extraordinary physique is a result of unique evolutionary processes that only take place on the south-eastern African island. Despite hearing a plethora of taboos relating to the creature, Nick Baker visits the Nosy Mangabe wildlife reserve to confront his phobias

Naturalist Nick Baker travels to the Indonesian island of Sulawesi in search of the mimic octopus, a chameleonic creature allegedly capable of changing shape to camouflage itself. On his first dive into the sea he encounters a variety of other life-forms, including the Ambon scorpion fish and curiously named wonderpus photogenicus