With nearly every boat still in contention on the season's last day, the fleet races against the clock to land one final bluefin.

With the finish line in sight, most of the fleet steams down to Chatham to try to catch a big one and end the season on top.

It's a tight race as the quota shrinks, and the fleet digs deep to catch.

On Hard Merchandise, Dave Marciano faces the devastating loss of his father, as the whole family honour their loved one with a giant blue fin tuna.

With the season's end in sight, five-time champion Dave puts pressure on the fleet, the Pinwheel bands together and Tyler battles through illness.

After his heart procedure, Marciano returns to the water with a vengeance.

Hot Tuna spreads good karma as the fleet struggles to hook up.

With the fish biting, each boat enters a frantic race to catch the biggest bluefin.

With the season in full swing, the fishermen fight to keep their focus on fishing despite personal challenges with family at home.

Tim Ott, Sr. helms the return of family fishing vessel, Bad Fish. "Two boats are better than one" becomes the strategy to catch wicked tuna.

After buyers took a much-needed break to relieve their inventory and improve the health of the market, the fleet is back on the hunt for blue gold.

With too many bluefin getting caught, the quota diminishes, the market gets flooded, and captains worry the only remedy may be a buyer shutdown.

Hard Merchandise is forced to deal with its captain's health issues and simultaneously take on one of its biggest fish fights of the season.

Unhappy with their places on the leaderboard, both Pinwheel and No Limits decide to completely change up their strategies, and fish in Chatham.

Wicked Pissah joins Fat Tuna, Hot Tuna & Time Flies in Chatham, hoping there is strength in numbers. Meanwhile Tyler continues fishing on his own.

The competition heats up and alliances form, as some boats are willing to make the 90-mile steam to Chatham and some are not.

The bluefin bite is on as the fleet searches far and wide for the biggest payday possible. One Captain seeks redemption from last season's financial woes and loss of respect from the fleet, but will his new positivity be enough to earn the respect he so desperately desires? Only time will tell if repentance comes with a paycheck.

A new contender arrives to disrupt the ranks of Gloucester's finest, as Captain Michelle Bancewicz and First Mate Lea Pinaud of Fishing Vessel No Limits make their entrance into the competition. While the fleet is split between fishing local and making the run south to Chatham, Michelle and Lea look to make their mark on the tuna world.

As the Bluefin season opens, Gloucester's toughest competitors kick off the battle for the first fish of the season and for the title of "G.O.A.T." or "Greatest Of All Time." Government restrictions limit the fleet to one fish per day and only four days of fishing per week. With such strict constraints, the winning boat will prove itself to be the GOAT!