National Geographic Society

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Shark Attack!

Each Great White Shark bite has been estimated to generate a force up to 4,000 lbs.  That's five times the biting power of an African Lion.

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On this episode of Do or Die, jump in and fight off a cage-busting great white shark and use quick thinking to avoid being the underwater predator's next meal. Experience a snowmobiler's worst nightmare when the return trip from a mountaintop turns deadly due to an unstoppable avalanche. Finally, come face-to-face with one of the deadliest reptiles in the United States. Life comes at you fast! Would you know how to survive when it's Do or Die?