DISCOVERY HD WORLD 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. 2026-08-08 When a third survivalist crashes the challenge, tension and jealousy prove just as threatening as the heat, piranha and jaguars of the Ecuadorian rainforest. 2026-08-08 Adventurer Bear Grylls survives the Pacific Ocean, encountering coral reefs, rip currents, and relentless surf and comes face to face with sharks. 2026-08-08 Bear Grylls introduces his crew, including his fearless cameraman and recounts the challenges they face during their adventures. 2026-08-08 Bear is dropped into the Chugach Mountains of Alaska, where he tries to withstand extreme temperatures, navigate forests and avoid territorial black bears. 2026-08-08 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. 2026-08-08