Paul's newfound confidence is shaken by his inexperienced deckhand; Dave Carraro works with a new recruit; and Tyler learns to cooperate with his Pin Wheel crew.

The fishing teams are threatened by great white sharks. Included: A shark slams into the Christina; Tyler must risk life and limb to untangle a harpoon line from the Pin Wheel's propeller in the shark-infested waters.

A fishing tournament in Gloucester kicks off; and the crew of the Pin Wheel play a prank on the Odysea's Captain Ralph.

The second season begins with Dave Carraro encountering an unwelcome visitor in his first fishing spot of the season. Meanwhile, a New Hampshire fisherman heads south to compete with Dave.

The crew of the FV-Tuna.com relocate when amateur boats start creeping in on their territory; a weekend warrior runs over Kevin's anchor line; Tyler ventures out on his own after giving his crew the week off.

The fishermen work during a major storm.

Dave and Paul enter into an intense competition to see who can catch the most fish.

The fishermen search for locations where bluefin tuna are known to congregate and feed. Meanwhile, Captain Tyler begins a search for new hot spots.

At the season's midpoint, the captains deal with increasing pressure to bring home a paycheck.

The young crew of the Pin Wheel close in on the FV-Tuna.com's lead; Paul needs a win.

Capt. Dave Carraro begins the last week of the season well ahead of the Pin Wheel crew. Meanwhile, Capt. Tyler works to prove himself; Capt. Paul Hebert wants to reach his goal; and Capt. Marciano tries to recover from a rough season.

The Tuna.com takes the lead in Week 9 of the fishing season. Meanwhile, the crew of the Bounty Hunter deal with tension; and Tyler reaches a breaking point with his shipmates.

The last weeks of the season are a struggle as the bluefin tuna begin to migrate south.

The second season ends with a storm brewing as the crews battle to finish on top.

Tyler takes a risk by going to Georges Bank. Elsewhere, Kevin enjoys harpooning.