For the 50th Anniversary of the release of Jaws, endurance swimmer, Lewis Pugh, swam around the island of Martha's Vineyard, the setting of the Jaws movie and home to many great white sharks. He undertook the 12 day swim to raise awareness of the threat to sharks, which play an essential role in the ocean's ecosystem.

Guest: Lewis Pugh, endurance swimmer and UN Patron of the Oceans.