Captain Gavin gets caught on a sandbar after sleeping in, while Wes finds plenty of fish, but then bursts a hydraulic line.
The journey begins in the volcanic Azores archipelago, where the waters are home to sperm whales, sharks and giant devil rays.
Investigators unravel the mystery of a strange, alien-like creature that washed up on the shores of Montauk, Long Island in 2008.
Over Florida, a military jet hits something at 1500 feet, and DNA suggests it was a reindeer. In Africa, elephants attack baobab trees.
The team investigates an empty property which may be in use as a dog-fighting venue, and fighting roosters being mailed into the city.