Extreme Contact

While diving in the waters off the Florida Keys, the team has a close encounter with the great hammerhead.

Encountering an alligator, the most dangerous dweller in the marsh.

The team visits an expert and learns how to approach an alligator.

The team documents the feeding habits of a reef shark.

Manny and Mark search the Florida Keys for one of the largest and most endangered fish in the world.

While swimming off the coast of Marathon Key, the team discovers an ailing sea turtle. Mehgan travels with the sick turtle to the local hospital, where she assists with its examination and participates in an amazing operation to save it.