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After Hurricane Ida wrecks their Gulf Coast hotspot, Josh, Casey and Shane return to Hawaii where the dream began to complete their season; even in paradise, mother nature has an even bigger disaster in store.

Deadliest Catch: Bloodline

Cataclysm in Kona

As Hurricane Ida slams the Gulf Coast, Josh, Casey and Shane must abandon ship; with their fishing quest in ruins, they scramble to help survivors; Jeff closes a new deal in Kona and recruits fishing legend John Hillstrand.

Category 4

Josh and Casey land a seafood order big enough to expand their fishing business; Jeff gets an urgent call, forcing them to reach out to Wild Bill.

Divide and Conquer

Josh and his brother Shane discover the most promising lead yet about what their father Phil was doing decades ago in the Gulf of Mexico; Casey and Jeff attempt to fill a challenging order by spearfishing in the murky water beneath the oil rigs.

A Crack in the Mystery

In the fishing hotspot of Venice, La., a buyer demands an unfamiliar freshwater species; Josh and the team hook a prehistoric monster.

Swamp Captains

With fresh clues from their father's past, Josh and his brother Shane head to Louisiana, where Wild Bill Wichrowski helps them follow a trail that leads to the man who built the Cornelia Marie and to rich new fishing grounds in the Gulf.

Deep South

Josh and Shane pick up a trail left by their father that leads them to an unexpected location; in Hawaii, Casey and Jeff must face circling sharks to pull in fish.

Father Knows Best

In search of Ahi tuna, Josh's crew ventures to the remote islands north of Kauai; their greenstick snaps.

Treacherous Grounds

Facing two strikes with their Vegas buyers, Josh and Casey turn to Jeff for help from his secretive Hawaiian network; when a short order leads to strike three, the guys get fired by their biggest client, leading Josh to leave Hawaii for new grounds.

Leaving Las Vegas

Captain Josh Harris reunites with his estranged older brother Shane, opening a new door in his quest for their father, Phil Harris.

The Other Brother

Ever since Josh and Casey first arrived in Hawaii with Phil's fishing charts, Jeff Silva stepped up as the rock steady partner helping them find the fish; Jeff now faces a monumental change in his own future.

Jeff Silva Fishmaster

After a grueling Opilio season in Alaska, Captains Josh and Casey rejoin partner Jeff Silva only to discover unexpected competition at their lucrative fishing grounds in Hawaii.

Unexpected Legacy

Fueled by the chance discovery of Phil Harris' old Hawaiian charts, Josh Harris is on a mission to find out about his father's secret dream and pick up where he left off by using the maps to follow in his dad's footsteps fishing in Hawaii.

S3 E3 | Treacherous Grounds