River Monsters

Alaska's Cold Water Killer (7x4)

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Recent reports of fishermen vanishing without a trace on Alaska's south coast leads Jeremy to America's Last Frontier on a mission that takes him on the hunt for one fish he's never hooked before -- the mighty king salmon. When the investigation takes an unexpected turn, Jeremy finds himself in shark-infested waters, observing the salmon shark! Jeremy makes himself shark bait to prove that these fish won't attack a human - even if that human is diving right into the middle of their feeding frenzy.