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Sharks vs. Dolphins: Bahamas Battleground
In the Bahamas, over 30% of dolphins have shark bite scars; using a non-toxic gel bite pad and a life-sized dolphin lure, a look at bite impressions of three species that could be predators.
Man vs. Shark
After inventing armored suits for divers 40 years ago, Jeremiah Sullivan jumps back in the water to test out just how foolproof his latest creation really is against hungry hammerheads and deadly tiger sharks.
Shark vs. Predator
Rare instances of predation on sharks by seals, crocodiles, octopi, bobcats and birds.
Bull Shark vs. Hammerhead
A rare event between top ocean predators was captured on video in Florida, bull sharks attacking a great hammerhead; Dr. Heithaus and a team of shark experts launch an investigation pitting one against the other.
Great White vs Tiger Shark
Up close with some of the largest great white and tiger sharks ever filmed.
Sharks Up Close with Bertie Gregory
Bertie Gregory decides to journey to South Africa to go swimming and diving with some great white sharks.
Hammerhead Sharks Up Close With Bertie Gregory
In Mexico's Pacific waters, Bertie Gregory goes in search of a predator, the hammerhead shark; once abundant here, hammerhead numbers have declined enough that encounters are now rare.
Bull Shark Bandits
Using a new experimental diving cage, two shark biologists investigate rising reports of bull sharks stealing from fishermen in northern Australia.
Return of the White Shark
A record number of great white sharks are hunting off Cape Cod.
Shark Below Zero
White Sharks move north to Canadian waters where scientists investigate.
Sharkcano: Hawaii
To find out why sharks are drawn to Hawaii's volcanoes, Dr. Mike Heithaus and Dr. Frances Farabaugh free dive with one of the most dangerous sharks.
Shark Quest: Hunt for the Apex Predator
S1, EP1 "Close Calls"Intense close calls allow us to uncover why sharks are such amazing predators.