In the Costa Rican rainforest, Steve is almost strangled by a boa constrictor, is struck dumb by the strike speed of a viper, and plays hide and seek with a deadly bushmaster. Then he gets hands-on with the world's most poisonous frog, nearly gets a nip from a blood-sucking vampire and encounters a huge American crocodile.

In the heart of South America, Steve hunts for the mighty anaconda, swims with piranha and has a surprising face-to-face encounter with a creature that bit him. Steve then visits Peru to meet the giant river otter and another very formidable snake.

In Central America, Steve takes to the water in chain mail in search of a deep sea monster. Back on land he searches for the world's biggest wasp before setting off for a day of snake hunting. Then he heads to Panama to track down one of the largest birds of prey in the world: the harpy eagle. Finally, Steve handles some giant bullet ants, who possess the world's most painful insect bite.

Steve Backshall is in the Philippines for another of his best ever missions. He has a tense and intimidating encounter with a living dinosaur, and delves into a subterranean world to find an arachnid with legs four times longer than its body.

An early morning dive in the beautiful waters of the Philippines rewards him with a stunning shark that spends most of the day 550 meters below the surface. There is a swim with one of the deadliest snakes on the planet, and a nocturnal search in the jungle reveals a Tarsier, a deceptively cute predator who eats its victims head first.

Steve starts in a natural museum comparing skeletons, notably dental, of predators from British Columbia. In coastal waters, he meets the huge Steller sea-lion with a scarier mouth then bears. On the sea bottom lurks the basilisk-like fish wolf-eel, who crushes even sea-urchins, devoured with spine. Next the giant Pacific octopus, a crab cracking specialist. As finale orcas, the only killer whale species, actually the largest dolphins, who even demonstrate they hunt the giant sea-lion, but it escapes.

Steve is on a mission to choose his ten favourite lethal weapons. In this blazing battle to the finish, there are ultimate talons and tusks, even some bloodthirsty plants with killer spines, and the world's most painful sting!

Ten fabulous weapons used to hunt and fight, but which will Steve choose to be crowned as number one?

Steve is on a mission to choose his ten favourite killer tactics. These are the cleverest tricks that animals use to catch their dinner, and this cunning countdown includes a team of top hunting dogs, nifty net-throwing spiders, and an amazing fishing snake!

Ten absolutely tactical creatures that all depend on their deadly strategies to survive - but who will Steve choose to be crowned as number one?

Steve is on a mission to choose his ten favourite toxic animals. This lethal line-up includes an ancient dragon with killer drool, a spear-throwing snail, and a venomous spider that can bite through your toenail!

Ten totally toxic creatures that all depend on their deadly poison to survive - but who will Steve choose to be crowned as number one?

Steve is on a mission to choose his ten favourite fiercest animals. This fearsome line up includes a vicious deep-water monster, powerful sharks, and even gigantic killer hornets!

Ten absolutely terrifying creatures, that all depend on their deadly ferociousness to survive. So who will Steve choose to be crowned his number one fiercest?

Steve is on a mission to choose his ten favourite fastest speedsters. In this race to first place, there is a turbo-charged fish, a mole with a record-breaking nose, and an animal whose tongue accelerates five times faster than a fighter jet!

Ten ultimate speed machines that all depend on their deadly velocity to survive - but who will Steve choose to be crowned his number one fastest?

In Hoedspruit, South Africa, Steve Backshall encounters an angry hippo and a venomous scorpion.

Steve Backshall finds out if crocodiles deserve their reputation, and tracks down one of Africa's most elusive predators, the awesome hunting dog.

In South Africa, Steve Backshall braves rough seas to get close to a great white shark, and goes out scavenging with the world's most fearless animal.

Wildlife expert Steve Backshall and his crew head for the Australian continent as he continues his Deadly 60 mission, meeting snakes, pelicans and dolphins.

Steve Backshall's quest for deadly species sees him come face to face with a huge lace monitor lizard and encounter a venomous redback spider.

Naturalist Steve Backshall investigates the Pacific's giant cuttlefish, the elusive duck-billed platypus, and the lethal yellowfin tuna.

Steve Backshall's global search for deadly creatures takes him to meet the saltwater crocodile and look for huge-fanged ghost bats.

Steve Backshall's quest for deadly animals sets him on the trail of the dangerous Indian saw-scaled viper, and the razor-clawed sloth bear.

Steve Backshall is in India in search of tigers, and also comes face to face with another animal that is on the endangered list, the gharial crocodile.

Steve Backshall's search for deadly creatures takes him to Borneo's Gomantong caves where thousands of cockroaches and the scutigera centipede await.

Steve Backshall is in Borneo, where he comes face to face with a highly venomous scorpion fish and a spear mantis.

The Deadly 60 team scours the UK in search of its lethal beauties. Gannets prove to be more than a match for Steve in a diving competition.

Scouring the UK for lethal beauties, Steve goes otter-spotting with Terry Nutkins, meets with the UK's biggest spider, and falls prey to the peregrine falcon.

In Alaska, the team battle freezing conditions to view a wolverine and Arctic foxes, and search for where bald eagles arrive to feed on salmon.

Steve and the team brave the intense heat of the Arizona desert. Featuring the hunting skill of the Harris hawk, some deadly rattlesnakes and an elusive cougar.

Steve and the team are on the search for deadly animals in the swamps of the southern USA, not least the alligators that live in just about every lake.

Steve Backshall heads to the Bahamas to see a whole bunch of shark species, and must decide which ones will earn a place on his Deadly 60 list.

A helicopter trip over Brazil's northern savannah helps adventurer Steve Backshall find his next contender for the Deadly 60, the elusive giant anteater.

Steve and the crew head into the flooded forests of Brazil. Steve takes a swim in a piranha-infested river in order to find out more about these killer fish.

Steve Backshall and the Deadly team visit the rainforests of Brazil on the trail of a monster tarantula, and encounter a colony of army ants on the move.

Steve Backshall has encountered some incredible animals on his search around the planet, including those that are deadly to humans. They're looked at in detail here.

Looking back at some of Steve Backshall's favourite creatures, whose jaws, claws, venom and speed prove to be very useful weapons in the battle of the wild.

This show is devoted to the incredible critters Steve Backshall met on his travels who didn't quite make the Deadly 60 list. They still deserve their own programme.

Steve Backshall looks back at his favourite encounters from the wildlife series, from abseiling into a cave looking for bats to a thrilling meeting with a hippo.

Steve Backshall looks at the challenges faced when filming in the frozen tundra of Alaska and the steaming rainforests of Brazil.

Steve finishes his journey with a look at the vulnerable side of deadly animals.

On a trip to Mexico, Steve Backshall takes to the water in search of a monster of the deep seas and searches for snakes in the desert.

Steve tracks the weirdest-looking fish on the planet, comes face-to-face with a giant Pacific octopus and goes kayaking with killer whales.

Steve Backshall takes to icy waters in search of the world's biggest sea lion, and there's a surprise in store when he meets the infamous black bear.

Steve and the crew are thrown deep in the steamy rainforests of Costa Rica. They are on a mission to find the largest cat in South America, the jaguar.

In the jungles of Costa Rica, Steve is strangled by a boa, gets hands-on with a poisonous frog and nearly gets a nip from a blood-sucking vampire.

Steve chases a deadly racer snake downriver and even faces his fears to handle some giant bullet ants, while on the hunt for a harpy eagle.

Steve Backshall explores the Indian Ocean, searching for a fish that can weigh as much as a double decker bus, and looking for the fastest fish on the planet.

In South Africa, Steve Backshall swims with a pack of 30 blacktip sharks, examines a nest of killer bees and encounters a black eagle.

Steve Backshall visits Namibia, where he uses a special camera to examine a spider, before tracking down an elusive but lethal reptile and having a close encounter with a vulture.

Steve Backshall is in Namibia on the trail of Africa's big cats. Donning a camouflage suit, he tries to beat a leopard at its own game, before witnessing a pride of lions hunting.

Steve encounters gremlin-like aye-ayes and Madagascar's most ferocious carnivore as he searches the vast island for contenders for the Deadly 60.

Steve is in Uganda, getting up close and personal with gorillas in the mountains, squabbling baboons on the savannah and chimps in the forest.

In Thailand, Steve comes face-to-face with the longest venomous snake in the world, the king cobra, whose bite could kill an elephant.

In the Philippines, Steve goes nose-to-nose with a living dinosaur and meets an arachnid with legs four times longer than its body.

Steve dives in the beautiful waters of the Philippines to check out a shark that spends most of the day 550 metres below the surface.

Steve Backshall takes a look at dogs and their distant relatives, wolves. He heads to the Arctic Circle where huskies show him a thing or two about stamina.

Steve and his trusty team head to the frozen north of Norway. He follows the tracks of Europe's largest cat, the elusive lynx, up into the hills.

Steve and the Deadly 60 team are on their home turf, the UK. The adventure begins in a lake as Steve dives in to track down a deadly monster lurking in its depths.

Steve heads for the marshlands of Argentina, where he searches for an anaconda and swims in piranha-infested waters.

Steve and the crew are in Peru, searching for elusive giant river otters, when Steve has a chance encounter with the largest reptile in South America.

A behind-the-scenes look at how the series is filmed, from where the team eat and sleep to the extreme measures they have to take as they travel.

Steve Backshall demonstrates how reading the tracks and signs left by an animal can lead to fantastic encounters.

At the Museum of Natural History in Oxford, Steve takes a look inside some of the top predators featured on Deadly 60 to find out what makes them so deadly.

Steve is spat at and bitten by scorpions, spiders and snakes in his quest to prove that venom is one of the most lethal weapons of the animal kingdom.

In this special episode, Steve shares stories of the contenders that didn't quite make it onto the Deadly 60 list.

Steve Backshall reports on animals that are endangered, and explores why the chimpanzee, mountain gorilla and harpy eagle are threatened with habitat loss and their populations severely depleted. In Madagascar, he also meets the most bizarre creature he has ever seen - the aye-aye.

In South Africa, Steve confronts blacktop sharks, the mighty black eagle, and a huge swarm of killer bees. He then heads into Namibia, to encounter a sidewinder and gets hands on with the ultimate Africa predator, the lion!

Steve Backshall travels to Indonesia in search of three very different reptiles to add to his list of deadly predators.

In the medieval Ethiopian city of Harar, Steve Backshall has a unique and potentially lethal encounter with a pack of spotted hyenas.

Steve is on his home turf, scouring land, sea and air for some of the deadliest critters that the UK has to offer.

Steve and the crew head into the beautiful Alaskan wilderness, home to some of the most impressive predators on Earth - humpback whales and grizzly bears.

Steve Backshall looks for one of the most iconic of all predators in South Africa, the ferocious great white shark.

Steve and the crew head to Mexico's breathtaking Yucatan Peninsula, where he embarks on a high-octane chase with the fastest fish in the sea.

Steve heads into the blistering sun of the Australian outback to fulfil a lifelong dream of finding the most venomous snake in the world.

Steve and the team head to New Zealand for the first time, where Steve descends deep into the Waitomo caves to find an unusual predator.

Steve and the crew are back in South Africa to turn the latest camera technology on a trio of deadly snakes and meet the predatory crowned eagle.

Steve and the crew are back in Australia for one of his most dramatic encounters ever as he is dropped into a nest of giant, wild saltwater crocodiles.

Steve and his crew are back in the jungles of South America, where they head into crocodile-infested waters for a spooky nocturnal encounter.

Steve and the crew head to the mountain kingdom of Nepal to search for more animal predators, including a very grumpy rhinoceros and a Bengal tiger.

Steve heads to the stunning Mexican coastline for an exhilarating encounter with one of the most dangerous sharks in the world.

Steve and the crew comb the Venezuelan wetlands looking for the biggest snake in the world, the mighty green anaconda.

Steve joins a team trying to save an endangered predator, the orinoco crocodile, and witnesses the ferocious maternal instincts of a female croc.

Steve Backshall and the crew head for the island paradise of Sri Lanka in search of two massive predators and Steve attempts to free dive with a blue whale.

Steve and the crew continue their Sri Lankan adventure on the hunt for another three perfect predators, including an elusive mugger crocodile.

Steve and the crew visit the southern states of the USA and join a team of scientists tracking and tagging wild bobcats.

Steve continues his search for the planet's deadliest predators with a visit to Florida in the USA, where he wades into a swamp to try and catch a slippery amphibian.

Steve Backshall reveals the advanced camera technology and tricks of the trade that allow him and the Deadly 60 crew to film stunning images.

From leeches to tapeworms and cuckoos to mosquitoes Steve reveals the mind-boggling methods that parasites employ to survive, breed and feed by exploiting their animal and human hosts.

Steve Backshall takes a look at some of the super skills and senses that animals around the world use to hunt and survive.

Steve Backshall investigates how humans around the world are increasingly coming into contact with dangerous and potentially lethal animals.

In this Deadly 60 Special, Steve Backshall takes a look at the incredible methods animals employ to protect themselves against predators.

In this Deadly 60 special, wildlife expert Steve Backshall examines the increasing pressures threatening our planet's animal populations.

Steve Backshall looks back at some remarkable unseen footage from the filming of Deadly 60, including the rescue of a juvenile fur seal from hungry great white sharks in South Africa and a terrifying run in with a giant venomous centipede in Venezuela. There are also some funny outtakes and Steve reveals his all time favourite animal encounter ever.