Harpoon Hunters

Captain Joe Dion takes his sons to sea, witnessing a great white shark feeding on a humpback whale.

As the fleet spots the first giants, Joe fights for his lead; Dylan gets a $6,000 tuna.

At the mid-season peak, centuries-old strategies compete to catch bluefin.

When Niko's zapper fails at the worst possible moment, Tyler saves the day.

Captains Joe and Tyler battle to capture oversized "quota-killer" tuna.

As the weather shifts for the worse, Tyler adapts and Joe takes to the air.

In the season finale, Joe & Tyler battle for the biggest weigh-in at dock.