Season 4

Steve and Terri visit the Barry M. Goldwater Military Range in Arizona to track down the sidewinder rattlesnake. Afterward, Steve visits the airmen at Luke Air Force Base, who prove to be fans of his show. Steve gets the opportunity to fly in an F-16, the plane that carries the sidewinder missile named after the rattlesnake.

A compilation of the best moments of the series up to this point.

Steve joins the Australian Zoo team and World Society for the Protection of Animals on a wildlife rescue mission to remove crocodiles from a zoo in war-torn East Timor.

Steve and Terri journey to the Red Desert at the heart of Australia. They examine venomous snakes, lizards and endangered mammals as they make their way to the world famous Uluru, also known as Ayers Rock.

Steve journeys to Kenya in search of some of Africa's most venomous snakes, including the black mamba and cobra.

Steve and Terri show us their home video collection, most of which document their conservation work.

Steve and Terri show off their favorite crocodiles at Australia Zoo. The action includes shots of the biggest crocodiles eating pigs whole. High-speed film techniques highlight the power of the mighty creatures.

A missile-test site is the home of alligators. Steve also examines snakes in Louisiana and water moccasins.

Steve heads to Indonesia where he looks at venomous snakes, lizards and monkeys.odiles.

Steve attempts to find members of the four remaining lemur species on the island of Madagascar. He travels through the countryside on bicycle and talks with the town inhabitants.

Steve looks at cave-dwelling crocodiles, different types of chameleon and other unusual reptiles on Madagascar.

Steve encounters spitting cobras, snakes that send venom into the eyes of their victims from up to 6 feet away. Despite wearing safety goggles, Steve must seek out medical assistance at a Maasai village after he is sprayed with the venom.

Steve encounters charging elephants on an African safari. He observes snakes, scorpions, buffalo, spiders and lions, and avoids a pursuing hippo.

Steve travels to Indonesia to encounter wildlife, then hits the beach to do some surfing.

Steve undergoes knee surgery.

Steve and Terri relocate the animals of a bankrupt zoo, including koalas, kangaroos, crocodiles, birds, and a wombat.

Steve visits the wilderness of Namibia in southern Africa.

Steve and the team at Australia Zoo successfully transfer the ornery crocodile Graham and his girlfriend Bindi to a new enclosure. Not long after, Steve and Wes Mannion have to enter the enclosure. Graham gets his revenge by attacking Wes. Steve saves the day by jumping on Graham, although Wes suffers severe injuries.