Orphaned baby sea turtles in Thailand; performing critical exams on members of one of the rarest turtle species on Earth; teaching rescued turtles to swim again.

Rescued elephants find a second chance at a Thai sanctuary; a vet treats injured elephants; cutting-edge research; a fun encounter with a baby elephant.

Jeff helps to save the Florida Everglades' ecosystem and faces its most important predators: bull sharks, snook and American alligators.

Dolphins off the coast of Florida; manatees in the Caribbean; tuna of New England; penguins of South Africa.

A pregnant beluga whale; a pregnant dolphin; a family of peregrine falcons; a mother octopus.

Jeff travels to the beautiful beaches of central California to visit the massive, mighty elephant seals and witnesses one of the most epic animal migrations on Earth.

Six-gill sharks; sand tiger sharks; bull sharks.

Saving 14-foot tiger sharks in Hawaii; protecting sharks from tourists and tourists from sharks.

Manta rays off the coast of Maui; the largest manta ray at the Georgia Aquarium.

Jeff travels to the coastal mountains of Big Sur, Calif., to help save endangered condors.

The island of Catalina: kelp forests, sea lions, endangered foxes; a nighttime dive.

Fur seal pups; baby bats; timber rattlesnakes; a humpback whale calf.

Habitat loss, climate change and pollution threaten animal species around the world; Australian bull sharks; a Puerto Rican parrot; rare turtles.

From the shoreline of Cape Town to the inland delta of Botswana; African penguins; a hidden lagoon of massive hippos; a deadly spitting cobra.

Puffins use their wings to fly underwater; nursing an injured bald eagle; saving albatross from predators; little blue penguins build their nests on ocean cliffs.

Face to face with a two-spot octopus; communication of humpback whales; health assessment of a Southern sea otter.

Capturing timber rattlesnakes for research; breeding programs to increase snake numbers in the wild; snake surgery; the next generation of rattlesnakes enters the world.

Alligators in Florida; crocodiles in the Okavango River; sea snakes in Queensland; tuatara in New Zealand; reptilian surprises in Botswana.

The Australian Zoo and Veterinary Hospital founded by Steve Irwin and his family; a sick koala; returning a sea turtle to the wild.

Saving the magnificent whales of the Hawaiian Islands; melon-headed whales; pygmy whales; pilot whales.

Marsupials; threats to Tasmania's habitats; conservationists fight to save the unique animals found nowhere else on Earth.

Biologist Jeff Corwin explores the world, exposing and explaining aspects of the diverse animal kingdom. In an educational show that's also made to entertain, Corwin shares his experiences with viewers on fascinating trips into the wild, which is as close as people can get without actually being there themselves.