TV Guide National Geographic Wild Thursday

An international team of experts hunts for clues, using evidence and personal accounts to unravel the mysteries behind shark behavior using VFX technology.

An international team of experts hunts for clues, using evidence and personal accounts to unravel the mysteries behind shark behavior using VFX technology.

An international team of experts hunts for clues, using evidence and personal accounts to unravel the mysteries behind shark behavior using VFX technology.

The small town of Port Protection, Alaska is home to approximately 100 residents who call the punishing Alaskan wilderness their home.

In Alaska's rainforest, rugged individualists find inventive ways to obtain food, fuel and shelter while protecting themselves from predators and the elements.

In Alaska's rainforest, rugged individualists find inventive ways to obtain food, fuel and shelter while protecting themselves from predators and the elements.

In Alaska's rainforest, rugged individualists find inventive ways to obtain food, fuel and shelter while protecting themselves from predators and the elements.

Residents living in Port Protection, Alaska, attempt to survive the brutal elements and extreme weather conditions in a remote corner of the state.

Residents living in Port Protection, Alaska, attempt to survive the brutal elements and extreme weather conditions in a remote corner of the state.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

Six Alaskan residents fight to survive the winter in one of America's most hostile environments, facing daily temperatures well below zero degrees Fahrenheit.

An international team of experts hunts for clues, using evidence and personal accounts to unravel the mysteries behind shark behavior using VFX technology.

An international team of experts hunts for clues, using evidence and personal accounts to unravel the mysteries behind shark behavior using VFX technology.

An international team of experts hunts for clues, using evidence and personal accounts to unravel the mysteries behind shark behavior using VFX technology.