DISCOVERY CHANNEL

Dropped onto an Alaskan glacier, all-star survivalists Laura and Steven stave off frostbite and hypothermia. Their skills and survivor instinct are tested.

Placed in the Nicaraguan rainforest, two fans attempt a survival challenge. A mother and an adventurer must brave the harsh elements together.

Five participants and only four scrolls mean that progression is determined by performance and timing, with direct elimination being introduced as they begin Zone 3.

When a third survivalist crashes the challenge, tension and jealousy prove just as threatening as the heat, piranha and jaguars of the Ecuadorian rainforest.

Adventurer Bear Grylls survives the Pacific Ocean, encountering coral reefs, rip currents, and relentless surf and comes face to face with sharks.

Bear Grylls introduces his crew, including his fearless cameraman and recounts the challenges they face during their adventures.

Bear is dropped into the Chugach Mountains of Alaska, where he tries to withstand extreme temperatures, navigate forests and avoid territorial black bears.

Bear drops from a bi-plane into the Chihuahuan Desert in West Texas, where he withstands extreme heat, navigates deep gorges and dodges deadly diamondbacks.

A popular Polish lorry driver undertakes the daunting task of navigating India's notorious and chaotic road networks, all while exploring the culture.

Ed participates in the annual rite of passage festival Naadam to wrestle an enormous heir of Genghis Khan in order to prove his masculinity.

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.

While attempting to scale the unforgiving rock cliffs of the rugged Irish coast, Bear faces a tough survival test. Yet, the real ordeal begins the moment he successfully clears the cliff.

Bear Grylls emulates the personality of Tarzan as he navigates through the jungles of Belize, where he comes face to face with a 9-foot boa constrictor.

Bear navigates the deadly swamps of the Deep South, wrestles with an alligator and tangles with venomous snakes. Later, he wonders if he can land a catfish with his bare hands.

Mountaineers survive in the Alps in potentially fatal conditions.

The desert of Mexico's Baja California puts Bear Grylls to the ultimate test, forcing him to fight off a painful bee sting and evade a deadly diamondback rattlesnake.

Bear Grylls enters the heart of Dracula country - the forests of Transylvania - where he encounters steep ravines, cavernous underground water systems and a brown bear.

Bear Grylls draws upon all his experience as a survivor to tackle the dangers of the Costa Rican rainforest, climbing 100 ft trees and down 120 ft waterfalls, facing snakes and sweltering humidity.

Bear Grylls navigates lava flows and scrambles through caves in an active volcano. Additionally, he must stop a viper from nesting beside him while he sleeps.

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

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.

Actor Jake Gyllenhaal assists Bear in showcasing survival techniques in Iceland.

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.

Jessica Chobot and Phil Torres investigate supernatural phenomena and explore unknown locations to demystify unexplained events and reports.