Steve reaches Cuba, a colourful Caribbean island with a secret deadly side, where he must overcome his fears to get in the water with a lethal prehistoric predator.

Steve is in Trinidad, a Caribbean island packed with deadly critters, where the team track a rare and stunningly beautiful jungle cat, the ocelot.

Steve and the team travel to Guadalupe Island, 150 miles off the Mexican coast, where Steve swims alongside the planet's top predator - the great white shark.