Season 4

A remote town in South Africa is terrorized by a series of fatal shark attacks that leaves the community reeling. The question is: why?

In 2015, the northern coast of New South Wales, Australia is devastated by 9 shark attacks. What is behind this spike in shark encounters?

In 2006, the Oregon coast is plagued by an alarming anomaly: 3 shark attacks in 3 months.

In 2015, Oahu is the site of three mysterious shark attacks in just under three weeks, with two victims suffering life-changing injuries.

Usually a pristine location, the waters of Cancun suddenly becomes a hotspot for shark attacks between 2011 and 2013, with six attacks along its shores.

A rugged coastline renowned for its picturesque cliffs and sandy beaches just north of San Francisco becomes a nightmare in 2004 when the area is stunned by four separate shark attacks over the course of six months.