Peter and Dr. Rae get an up-close look at an adorable pair of giant pandas that make their home at one of the country's busiest zoos; then Dr. Rae travels to a zoo in Lincoln, Neb., to learn about ongoing efforts to safeguard red pandas.
Dr. Rae and Peter venture to a coastal Mexican desert lagoon where gray whales, once nearly extinct from whaling, have made a remarkable recovery; they explore a wild whale nursery; Dr. Rae meets a team of researchers using cutting-edge technology.
Habitat destruction and more factors have decimated the Canada lynx in the Pacific Northwest; Peter and Dr. Rae assist a native tribe and a dedicated team of wildlife biologists with an innovative program to reintroduce them back to American forests.
Peter and Dr. Rae witness a crisis in the Pacific Northwest as resident orcas face a dire threat due to the decline of their food source, the Chinook salmon; they explore creative and scientific ways to bring back the population of salmon and orcas.
Peter and Dr. Rae journey to Australia to reveal both the breathtaking beauty and fragile state of the Great Barrier Reef; they work with the Reef Restoration Foundation and Cairns Turtle Rehabilitation Centre as they explore this unique ecosystem.
Peter and Dr. Rae are on the trail of North America's most mysterious animal, the wolverine; teaming up with conservationists, they trek into the snow-capped peaks of the Cascade Mountains to gather critical data on these elusive survivalists.
In an epic saga where science meets adventure, Peter and Dr. Rae head to California's rugged Sierra Nevada to join conservationists who risk life and limb to protect one of North America's most endangered species, the Sierra Nevada bighorn sheep.
Dr. Rae and Peter embark on an extraordinary journey into the world of the American black bear; Dr. Rae travels to New Hampshire to participate in a crucial black bear den inspection, while Peter experiences a day in the life of a bear cub caretaker.
Peter and Dr. Rae embark on a mission to protect the endangered North Atlantic right whale; Peter joins the aerial patrol team tracking whales on their migration, while Dr. Rae visits the New England Aquarium to learn about the threats whales face.
Dr. Rae travels to tropical Panama to experience the extremely slow but extraordinary world of sloths; she tours a one-of-a-kind facility dedicated to the rescue and rehabilitation of sloths and meets the dedicated people fighting to save them.
Peter and Dr. Rae travel to the remote border between Mexico and the U.S. to uncover the hidden world of ocelots; they team up with researchers to document ocelots' hidden lives and learn how biologists are working to increase the species' numbers.
Peter and Dr. Rae connect with the most powerful predator in Central and South America: the harpy eagle; Peter visits raptor sanctuaries in Florida; Dr. Rae travels to Panama, the ancestral home of harpy eagles, to learn their cultural significance.
Peter and Dr. Rae connect with some amazing reptiles found in very unlikely places; Dr. Rae visits a unique turtle sanctuary in Atlanta, Ga.; Peter visits a Florida nuclear power plant that's become a breeding ground for the American crocodile.
Dr. Rae and Peter connect with one of North America's cutest and most unknown mammal species: coatis; Peter visits Florida's Brevard Zoo, where biologists are working to increase coatis' numbers; Dr. Rae finds evidence of coatis in unlikely places.
Manatees are massive water-bound herbivores whose wild numbers have dwindled to a breaking point; Peter learns about a program pairing orphaned manatee babies with surrogate moms; Dr. Rae helps release rescued manatees back to the wild in Florida.
Dr. Rae and Peter connect with a few of the continent's most wild and incredible babies, including orphaned black bear cubs at New Hampshire's Kilham Bear Center, elusive baby ocelots in Texas and baby sloths rescued by conservationists in Panama.
Peter and Dr. Rae unlock the wild secrets of North America's Great Lakes, as they participate in a survey to monitor sturgeon populations, help biologists fight against a wave of invasive species and discover the tiny but mighty piping plovers.
Peter and Dr. Rae travel to Cape Canaveral, Fla., to help save critically endangered sawfish; Peter joins researchers monitoring wild sawfish and tracking their migration; Peter and Dr. Rae have a close-up encounter with sawfish in the Bahamas.
Dr. Rae and Peter connect with three animal species suffering from life-threatening injuries; Dr. Rae meets a team in Central America working to save sloths; Peter and Dr. Rae uncover threats to North Atlantic right whales and Florida manatees.
Peter and Dr. Rae travel to the polar bear capital of the world -- Churchill, Manitoba -- to connect with the largest carnivores in North America; they join conservation experts studying the impact of thinning ice on polar bear hunting and migration.
Dr. Rae and Peter celebrate women leading wildlife conservation efforts; Peter helps Lauren Hinson with baby coatis and joins Orla O'Brien surveying whales; Dr. Rae learns about saving whales with Rachel Rhodes and ocelots with Dr. Ashley Reeves.
Dr. Rae and Peter dive into the world of shark conservation, meeting the passionate scientists fighting for sharks' survival; Peter joins a team tagging a bull shark in Florida; Dr. Rae and Peter travel to the Bahamas to visit a shark sanctuary.
Peter and Dr. Rae travel from Central America to the Canadian border to catch and release wildlife in hopes of saving their species from decline, including baby crocodiles in Florida, wild sloths in Panama and giant lake sturgeons in Michigan.
Dr. Rae and Peter go on a mission of discovery to save beluga whales and their habitat; they meet the five belugas in human care at the Georgia Aquarium; then they travel to Churchill, Manitoba, to experience the magic of a curious beluga pod.
Peter and Dr. Rae spotlight icons of conservation working tirelessly to protect wildlife; Dr. Rae explores sea turtles in the Bahamas and the harpy eagle in Panama, while Peter explores polar bears at the Columbus Zoo and whale sharks in Mexico.
Dr. Rae and Peter join field surveys to help monitor recovering and at-risk wildlife; Dr. Rae counts manatees in Florida; Peter helps survey endangered black-footed ferrets near Denver; Peter and Dr. Rae team up with shark experts in the Bahamas.
Peter and Dr. Rae journey across the United States to uncover two of history's greatest conservation success stories; Dr. Rae visits the facility where California condor conservation began; Peter helps relocate an endangered antelope in Texas.
Peter and Dr. Rae journey across America's endangered prairies to highlight vital conservation efforts; Peter witnesses the return of American bison in Wyoming; Dr. Rae explores the roles of prairie dogs in Montana and burrowing owls in California.
Peter and Dr. Rae explore conservation success stories of extremely rare birds; Peter learns about the Guam kingfisher at the San Antonio Zoo; Dr. Rae observes endangered piping plovers at Lake Michigan and learns about California condor eggs.
Dr. Rae and Peter explore some of the planet's most amazing aquatic wildlife and the heroic efforts to protect them, including North America's largest freshwater turtle species, sharks in Florida, charismatic beluga whales and massive whale sharks.
Dr. Rae and Peter reveal the hidden world of wildlife by capturing animals in action on camera, including polar bears near the Arctic Circle, wild coatis in Southern Arizona, an 8-foot shark off the coast of California and more wild sharks.
Peter and Rae travel to the Mojave desert, North America's driest region, to help conservationists save the Mojave desert tortoise; they explore a groundbreaking program that helps baby tortoises and ensures the survival of the entire species.
Peter and Rae travel to the coast of Maine to witness the conservation program fighting to save puffins; while Peter travels to puffin habitats on remote coastal islands, Rae visits the original conservationist who brought this species back to Maine.
Peter ventures to Florida with naturalist David Mizejewski, where they meet the experts battling to protect endangered sea turtles and at-risk manatees, collect valuable data from sea turtle nests, help track down two vulnerable manatees, and more.
Peter and Rae help release rehabilitated bats in Texas.
Peter and Rae join forces with conservationists in St. Louis trying to help save a local indicator species in dire need: the Ozark hellbender. Rae meets the scientists who are breeding these solitary salamanders with the hopes of saving the species.
Peter and Rae sail to California's Channel Islands to unravel the secrets of one of the smallest foxes on Earth and learn about the modern-day challenges to fox survival and the critical role that the bald eagle plays in their evolution.
Peter and Dr. Rae visit Washington state, where conservationists work with beavers to restore spawning grounds for endangered salmon; they learn how native tribes relocate beavers from dangerous situations and help build artificial beaver dams.
Peter and Dr. Rae discover that North American birds and bats are flying in the face of danger; they meet conservationists fighting to save the North Atlantic puffin, spot a bald eagle nest in California and witness millions of wild bats in Texas.
Peter and Dr. Rae join conservationists in a desperate race to save kelp forests; home to countless species, kelp forests form the biological backbone of the ocean food chain, but climate change has unbalanced this ecosystem.
Peter and Dr. Rae explore triumphant stories of wildlife conservation with some of Earth's newest, tiniest baby animals, including Florida sea turtle hatchlings, an adorable puffin off Maine's coast, desert tortoises in the Mojave Desert and more.
Dr. Rae and Peter demystify a misunderstood canine, the wolf; Peter spots an endangered red wolf in the wild and helps with a health checkup for a new litter; Dr. Rae learns about gray wolves during a visit to Minnesota's Wildlife Science Center.
Peter and Dr. Rae adventure through Florida to discover the results of a new wildlife corridor protecting animal migration and endangered species recovery, learning how vital it is to species like the Florida panther, black bear, alligator and more.
Peter and Dr. Rae explore the many challenges facing the endangered sea otters off California's coast; Peter cruises Monterey Bay to survey white sharks invading otter territory; Dr. Rae helps feed sea otter super moms at the Aquarium of the Pacific.
Peter and Dr. Rae explore an issue that hits close to home -- protecting urban wildlife whose natural habitat puts them in conflict with humans, often in harm's way; Peter learns the story of P-22, a Los Angeles mountain lion.
Peter and Dr. Rae meet real-life superheroes of science who are developing cutting-edge tools for protecting the wild. Dr. Rae visits a California marine laboratory growing an army of giant sea stars to try to save the giant kelp forests.
Peter and Dr. Rae see firsthand how forward-thinkers are using innovation for wildlife restoration; in Washington, Peter helps install artificial beaver dams designed to kick-start a ravaged ecosystem through a natural partnership with wild beavers.
Peter and Dr. Rae travel to California's Death Valley to see one of the most endangered fish species on Earth; only a few hundred of these pupfish exist in Devils Hole, a deep-water cavern where conservationists carefully guard their population.
Dr. Rae and Peter head to the California coast to get up close and personal with one of the wild's most prolific predators, the great white shark; in Santa Barbara, they paddle out for a face-to-face meeting with a young great white.
Peter and Dr. Rae explore the Gulf Coast to learn about one of North America's rarest birds, Attwater's prairie chicken; Peter meets with wildlife refuge specialists in Texas; Dr. Rae visits a wildlife center working to rejuvenate the population.
Dr. Rae and Peter track the black-footed ferret, which was once thought to be extinct, first heading to Wyoming where the ferrets were rediscovered in 1981 and then visiting a captive breeding program in Colorado with a notable cloned animal.
Peter and Dr. Rae explore how modern tagging technology is helping aid the fight to protect the wild kingdom, including with ocean sharks off the coast of California, prairie chickens in Texas and a rehabilitated sea turtle in Florida.
Dr. Rae and Peter are hot on the trail of some of America's rarest species; Peter helps care for a new litter of red wolf pups, the most endangered wolves in the world; Peter and Dr. Rae discover an extremely rare species of prairie-chicken in Texas.
Peter and Dr. Rae explore groundbreaking efforts to bring new generations of endangered wildlife into the future; Peter meets the first cloned North American endangered species; Dr. Rae meets sea otter surrogate moms that are raising orphaned pups.
Dr. Rae and Peter embark on a mission of marine discovery to unravel the mysteries of the ocean; a great white shark is spotted by a drone; Peter scubas to see California's kelp emergency firsthand; Peter kayaks near endangered sea otters.
Peter and Dr. Rae celebrate the ultimate payoff for wildlife conservation by returning animals to the wild; Dr. Rae sees beavers relocated in rural Washington; Peter participates in the release of 18 black-footed ferrets to the wild in Wyoming.