Hundreds of great white sharks have recently appeared on the doorstep of one of America’s most popular tourist destinations, hunting in ways never documented before. To understand why the sharks are here and what this means for Cape Cod, a team of scientists are studying this new phenomenon to try to keep people safe. Are the sharks changing the natural ecosystem … or restoring it?

Cast:none

Genre:Documentary,

country:United States of America,

Production:National Geographic,