Hazen travels to the Malay Peninsula and meets with members of the Mani tribe, a group of hunter-gathers who have lived for the land for centuries. Hazen learns how to use their trademark tool for hunting, the blowgun.
After a night time dive off the coast of French Polynesia, marine biologist Kori Garza looks to cá mập scientist Nicolas Buray for evidence of a massive cá mập named Kamakai.
