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