Survival is the main priority for four novice climbers during severe weather.
Three women bike into the backcountry and learn some unfortunate lessons in gravity.
Four campers come together to help one that is injured.
The Hirvi family uses llamas to start a new life with a hike up Mount Ruth.
Strenuous hike along the Berg Lake Trail pays off as these city slickers step on Robson Glacier.
A challenging scramble up some scree slopes to a breathtaking mountain lake.
Biking along the Kettle Valley railway beds, decimated by forest fire.
Caving at Horne Lake tests four novices' agility, stamina, concentration and teamwork.
The group is determined to overcome their anxieties, along with the white water.
Four outdoor neophytes test their limits in Whistler backcountry.
Four day canoe and camping trip on Pitt Lake.
Four budding adventurers find more than they hoped for while searching for orcas.
A family is rewarded with gorgeous scenery and during this strenuous climb.
Fighting for the survival of European wolves.
French biologist Jacques Coulon studies the everyday life of five groups of marmots.
Rhinos of South Africa are under the threat of extinction.
Maxine Allorge studies the 100 species of chameleon in the forests of Madagascar.
Whales congregate in the Saint Laurent Gulf in Quebec, Canada.
Seahorse Nature Aquarium in Exeter.
Steve Templeton studies the behaviour of bats and nurses injured ones back to health.
Scientist Laurie Marker-Kraus works to save cheetahs.
A reserve for the duckbilled Platypus.
Tourists are recruited to help study sand sharks off the coast of South Africa.
Olivier Behra tries to protect crocodiles in Madagascar.
Host Alby Mangels catches a peak of Rwanda's silverback gorillas.
The Okavango Swamp by foot, canal boat and airplane.
Host Alby Mangels participates in smoking and dancing rituals with the Kalahari Bushmen.
Alby sails up the Suriname River to visit one of the most remote Indian tribes in South America.
Alby boards the Gretta Marie and sails through the Torres Straight.
Host Alby Mangels canoes Lake Kariba.
Host Alby Mangels wrestles a giant anaconda.
Host Alby Mangels travels through Botswana and the Kalahari Desert in search of the elusive Kalahari Bushmen.