The Desert and Grassland's Deadly Dozen begins with the world's fastest rattler: the sidewinder. Then we travel to Africa for a close up look at one of the world's deadliest - and tiniest - arachnids, the six-eyed sand spider. Next, the beautiful and highly toxic zebra snake. On the open savannahs, three top predators rule the plains by working together - the African lion, the cheetah, and the spotted hyena. Next we take a closer look at three deadly deceivers, the desert death adder, the western coral snake, and the African wild dog. But humans take dangerous risks when they ignore the boundaries set by massive plant eaters - black rhinos and...

National Geographic Channel's hit series returns with a new episode featuring twelve of the deadliest creatures hiding in the forest. They hunt in the dense underbrush, high in the forest canopy and emerge from underground to do battle on the forest floor. Each one of these animals is equipped with unique adaptations for survival - including deadly weaponry and cunning strategies. But the forest is more than a backdrop in the brutal struggle for survival. Often it plays a key role. Its foliage offers camouflage for stealth attacks, its trees provide a platform from which powerful carnivores launch their assaults and its rich food resources attract...

We might think our cities of glass, concrete and steel are immune to the dangers of nature. But we're wrong. Wild creatures survive and even thrive in the heart of the city. Among these many species is an exceptional group of twelve - an assembly of mammals, arachnids, and reptiles equipped with an arsenal of predatory and defensive skills and weaponry. Now, witness how they adapt and prosper in a world dominated by humans, hunting on the city streets or altering their behavior to capitalize our presence. Either way, when our paths cross with theirs, the results can be devastating. They're tough, and adaptable, and dangerous-they are The City's...

Oceans cover two thirds of our planet. These five massive bodies of water create the largest eco system on the planet. The Pacific, Atlantic, Indian, Arctic and Antarctic Oceans contain some of the most dangerous animals on earth. Unique and venomous creatures hunt in tropical waters, while powerful carnivores rule the icy Antarctic. Ideally suited for survival in their ocean environments, twelve elite creatures stand above the pack, armed with keen intellect, ingenious camouflage, venomous fangs and bone-crushing jaws. Whether hunting or defending, their hardcore weaponry should be avoided at all costs! Dive into their world to experience their...