DISCOVERY CHANNEL

Bear takes two fans into the Canadian wilderness for their ultimate survival challenge as the individuals face their fears head-on.

Bear Grylls embarks on an adventure to the Mojave Desert and conquers the sandstorm in scorching heat. Later, the brave survival specialist is on a quest to find scorpions, rattlesnakes and coyotes.

Bear Grylls faces the icy peaks of the Chugach Mountains, Alaska, one of the toughest known environments. Bear uses his specialist survival skills and knowledge to journey across Alaska.

Bear Grylls shows how to survive the big island of Hawaii, home to Kilauea, the world's most active volcano and one of the toughest places on Earth.

Bear travels to America's greatest mountain range-the Sierra Nevada. He uses his knowledge of American Indian survival techniques to build shelters, calm wild horses, and find food.

Bear Grylls has served with the British Special forces, climbed to the peak of Everest and explored the frozen ocean of the Arctic. Now he faces the punishing heat of the Moab desert in Utah.

Rick Harrison and his family own and run a pawn shop in Las Vegas. They purchase, sell and evaluate interesting artefacts with fascinating stories.

Bear Grylls travels to the freezing Arctic Circle and survives hunting a reindeer. He also crosses a frozen lake whilst protecting himself against deadly low temperatures.

Deep in the heart of Vietnam, Bear Grylls encounters rocky terrain and faces deadly creatures as he journeys along a river.