Episodes

• Shark Bite Beach

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  Great White Shark attacks targeting surfers, kayakers, and swimmers are ticking up in frequency all over the world. What could be causing this deep-sea predator to turn its sights - and its deadly bite - on humans?

• Attack of The Squid

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  The Humboldt squid, alien to the California coast, is making itself at home and its ravenous appetite is decimating native fish populations. Where is it coming from and does it plan to stay?

• The Montauk Alien

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  Beachgoers are stunned and disturbed when a strange alien-like creature washes up on the shores of Montauk, Long Island. Millions of people around the world follow the investigation into just what this creature could be. Could it be a mutant from a top-secret government research lab nearby?

• Flood of Fish

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  Hundreds of silver fish rain down on a remote outback community in Australia. Some residents swear they fell from the sky, others believe they came up from under the ground in a storm. Could a tornado or a flash flood have strewn the fish across town?

• Invisible Enemy

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  In Orewa Beach, New Zealand, summer swimmers are suddenly attacked by an invisible enemy. They rush out of the water with a stinging, blistering rash. Marine scientists and doctors are baffled. What could be causing such a violent reaction?

• Fight Or Flight

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  In Minnesota, blue herons are fleeing their nests in droves. Locals - who have made the bird their town logo - are devastated. What could be scaring these birds away?

• Crocodile Wipeout

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  Large numbers of freshwater crocodiles are turning up dead in the Victoria River district in Australia's Northern Territory. The mystery draws an investigator all the way from Sydney to look into what could be killing these crocodiles.

• The Elk Files

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  Big, strong elk are dropping down dead or are left parlayzed in the wild Wyoming countryside by the hundreds. The only clue in this distressing mystery is orange blobs of urine on the ground. Could the strange color of the urine point to the cause of the elks' death and illness?