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 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.

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 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?