With hundreds of boats on the North Atlantic, marine police are called into action and a rookie skipper finally gets his redemption tale.

Rescue teams save seven fishermen while skippers, divers and hard hats maximise the summer season.

Cod's legacy looms as fishers, families and scientists fight to secure Newfoundland's fishing future.

Captains across the island scramble for dock space and big catches in a high-stakes season.

Adam endures a miserable halibut run to land a season-saving bluefin. Meanwhile, Steve faces an impossible second rock crab quota after his teenage cousin's unexpected departure.

In Denmark, engineers battle icy seas, powerful currents and punishing deadlines to build a four-kilometer-long mega bridge that will form part of a major new European transport link.

At the start of the new season, the gold seekers in the rough north of Australia are under extreme pressure. The dry season offers perfect conditions for the treasure hunt, but there is not much time.

Jacqui and Andrew unearth the biggest nugget of their careers, the Ferals invest in a mobile sluice that could save their season, and the Poseidon Crew struggle with a waterlogged lease.

The Poseidon Crew clash over a risky return to the Slip Up lease, Shane and Russell suffer another mechanical breakdown, and heat and exhaustion puts the Ferals' hopes of reaching target in jeopardy.

Irv takes on the restoration of an Escort RS1600i from an owner who had to give it up due to ill health. It turns out to be a much bigger job than he imagines.

Ken's rush to sluice rocky ground breaks his sluice, Dennis chooses between his drive to mine and his loyalty to Cam, and Karl's cut floods and puts his season in jeopardy.

The Poseidon Crew track a gold-rich ancient riverbed, Jacqui and Andrew hunt in the extreme wilderness of Central Queensland, and Shane and Russell's new washplant could leave them high and dry.

The Gold Timers call in Rob's grandfather and unearth their biggest haul ever, Shane and Russell push their sluice to breaking point, and Marcus and Dale finally unearth a monster nugget.

Orca research, ancient K'ómoks fish traps, and a salmon hatchery - on BC's coast, the past is teaching the future how to survive.

Donnie hosts a live online auction to sell off the gold he's found at Swiss Diggings. He'll use the money to part-fund the land deal he's been offered. T. Richie may need surgery for his broken hand.

Karl digs deep into a new cut and comes up empty. Cam's goal may be out of reach. Nika and Chris discover shocking news about their cut.

A dead man's diary leads Brent Shannon on a quest for a stash of lost gold, Paul Mackie takes a big risk, AND Jacqui Buzetti and Andrew Leahy brave crocodile-infested waters in search of nuggets.

Melanie Wood and Alex Stead's future hinges on a $400,000-dollar-dry blower, newcomers Sheryl Munro and Simon Lawes struggle to find new ground, and gold legend Shane Calegari helps an old friend.

Ken calls a lifeline, Cam hits an impenetrable ice wall, and Big Al's bulldozer suffers a catastrophic breakdown.

At the start of the new season, the gold seekers in the rough north of Australia are under extreme pressure. The dry season offers perfect conditions for the treasure hunt, but there is not much time.

In Virginia Beach, tourists and street offenders collide inside one of the state's busiest jails. The sheriff runs programs like the Weekender initiative, but even short sentences hit hard.

The Desert Diggers secure a season-changing deal, the Poseidon Crew expand operations at German Gully to find big gold, and intense summer heat pushes the Wanderers to the brink.

It's 'Gemfest' time, and Todd and Bri are preparing the best gems for sale; as the Mifsuds undertake another massive maintenance job, wet weather forces the Richardsons to reopen an old claim.