Steve takes viewers behind the scenes at the Queensland Reptile and Fauna Park (now Australia Zoo) in Australia. The work at the park includes relocation of giant boas and healthcare for alligators.

Steve follows Terri to her home state of Oregon, and to New York, to watch beavers and raccoons. Steve also helps Terri to relocate her pet cougar, Malina. Animals are alligator snapping turtle, American alligator, grey kangaroo, freshwater crocodile and red-belly black snake.

Steve and Terri trace the history of Australia's dinosaurs.

Not all dangerous creatures live out in the wilderness of the forests, the jungles and the Outback. Some of them live in the homes of suburbanites in Australia. Steve examines some of the venomous snakes and spiders that can make unwelcome appearances in suburbia.

Steve and Terri venture across the United States of America, seeking out deadly scorpions, venomous snakes and toxic spiders.

The Dingo Fence in southern Queensland, is part of the world's longest fence (over 3300 miles long), built to keep dingoes out of southern Queensland and away from the sheep flocks. Steve observes boars, snakes and dingoes in the Outback. Note: This episode originally aired as a two-hour special, but in later reruns, it was divided into two separate episodes.

Steve attempts to rescue a turtle in a river despite the presence of crocodiles.

Steve encounters orangutans and elephants in Sumatra.

Steve comes face to face with a Komodo Dragon, the world's largest lizard, on a remote Indonesian island.

Steve returns to his roots as he captures and relocates a 14-foot crocodile named Nobby away from a busy waterway in Australia.

Steve takes a look at the serious problem of the introduction of non-native species to Australia. The new species can crowd out the native animals. In Australia, the vast majority of animals are endemic to the continent. Steve also shows a roundup of wild camels.

Steve continues his examination of non-indigenous animal species that threaten to crowd out native Australian animals.

Beautiful scenery and adventure are encountered during Steve and Terri's visit to the isolated inhabitants of the world's largest sand island.

Green and loggerhead sea turtles lay their eggs on the land. The hatchlings face enormous obstacles to get to the ocean. Steve films the struggle and shows an annual scientific survey of the turtles off the east coast of Australia.

Steve and Terri seek the Tasmanian tiger, thought to be extinct since the 1930s, as well as Tasmanian devils, copperhead snakes, black-faced shags, pademelon joeys and wombats.

Steve travels to the Australian Outback to show us the last remaining major sources of water in this dry area. Animals are saltwater crocodile, freshwater crocodile, brown tree snake, tick, frill neck lizard, cattle and kangaroo.

Steve and Terri travel west in search of a mate for the Goanna lizards at the reptile park. Also: the pair rappel into a deep bush gorge, but have difficulty trying to get out.

Steve gives viewers a look at freshwater crocodiles.

Steve studies some of the more placid and harmless sharks living in the waters around Australia.

Steve and Terri study the Galapagos on their 168-year-old tortoise's birthday.

Steve travels to the United States where he researches the remarkable rattlesnakes, the most venomous serpents of all, to show how placid they can be when unprovoked. In Florida, he finds snakes as diverse as the pygmy rattler and eastern diamondbacks. He also has a close encounter with timber rattlers in Virginia.

Steve films the deadly sea snake in its underwater environment.

Reptiles still living in the sea include saltwater crocodiles and lizards that can dive deep.

Steve ventures to the remote part of the Indonesian islands to observe the largest lizard in the world, the Komodo dragon. Animals are Komodo dragon, gecko, golden tree snake, monkey, water buffalo, Russell's viper, and orange-footed scrubfowl.

Steve and Terri venture out to Cape York in Queensland, Australia, one of the most remote areas in the country. Among the creatures they spot are the Scrub Python, the Slately Grey Snake, feral pigs, a Rusty Monitor Goanna and the tree-jumping Canopy Goanna, the rarest goanna species in the world.