This episode counts down Australia's top 10 deadliest animals, including the razor-jawed jack jumper ant and the beautiful killer box jellyfish.

Which beast has the most vicious bite? It might be the jaws of an ancient creature, a rare reptile's fangs or poisonous spines caught on a fish hook.

See how Australia's grasslands harbor animals worth worrying about, especially the venomous reptiles that slither among the country's green fields.

Visit with one of Australia's most feared ocean dwellers: The stingray glides through the water, waiting to inflict pain with its barbed stinger.

This episode focuses on dangerous beasts and their natural weapons: Talons, teeth, fangs and tentacles are all instruments of pain and death.

This episode focuses on deadly creatures' playful ways, including the brutal sea lion, the poisonous stonefish and the furry fruit bat.

This episode reveals how a soothing dip in Australia's ocean can turn terrifying when the cold eyes and sharp teeth of a shark appear.

Meet a wild canine with cute puppies and a bad reputation. Learn why the wild dingo may look cuddly, but is a deadly playmate.

Take an insider's look at Australia's most deadly and diminutive species, including a virus-carrying mosquito and the waterhole-dwelling olive python.

From city fliers and ocean swimmers to outback dwellers and even an extinct species, see how this group of beasts ranks on the danger scale.

Cameras capture creatures with a mean streak and lightning-quick reflexes, including a tiny grub with potent itch power and a giant water buffalo.

Venomous critters roam both land and sea in Australia. Under the ocean's surface is an entire world of swimmers inflicting pain and paralysis.