WHEN SHARKS ATTACK

Florida's picturesque mid-Atlantic coast has long been a popular destination for surfers and swimmers, but three recent shark attacks in a 24-hour period are spreading fear across the beaches. Join Nat Geo WILD as we investigate the shocking attacks to find out what turned these peaceful shores into a feeding ground for unwanted visitors -- and if it will happen again.

Nat Geo WILD travels to Southern California, where, until recently, beachgoers had nothing to fear except sunburn. In 2008, a tri-athlete was killed by a mysterious shark off the coast of San Diego, after which Southern California was rampaged by a series of vicious attacks, one of which led to the death of a 20-year-old just north of Los Angeles. Watch as experts race against the clock to find a way to stop the bloodshed before the deadly creatures strike again.

An unknown number of sharks are terrorizing the waters of a popular Mexican tourist destination. In the wake of the unprecedented attacks, the community faces a terrifying possibility that could destroy their main source of revenue: Their beaches are no longer safe. Nat Geo WILD joins a team of scientists as they work to uncover the cause of the mysterious attacks before the town loses even more business: or the waters claim another victim.

An unknown number of sharks are terrorizing the waters of a popular Mexican tourist destination. In the wake of the unprecedented attacks, the community faces a terrifying possibility that could destroy their main source of revenue: Their beaches are no longer safe. Nat Geo WILD joins a team of scientists as they work to uncover the cause of the mysterious attacks before the town loses even more business: or the waters claim another victim.