Bryce lands some monster lobsters. Squizzy cannot find his ten missing pots. And Myles hits the lobster grand jackpot.

A rural roadway is mysteriously destroyed in the UK, an iconic space telescope crashes to Earth in Puerto Rico, and what brought down a high-rise construction project in Virginia?

While on the search for billions of dollars in gold, historian Tanya uncovers a shocking new theory that flips the hunt to the east.

The Victoria Diggers are back chasing multi-million dollar nuggets, rookie team the Dust Devils' new dry blower grinds to a halt, and tragedy strikes the Gold Gypsies.

The Poseidon Crew face a financial disaster, the Victoria Diggers' $150,000 wash plant arrives with horrendous damage, and rookie team The Goldtimers put their families' future on the line.

Competition hits Rust Valley, Avery crashes into his new role as shop manager, and Mike struggles to finish a 1966 Pontiac Parisienne.

PJ's wife visits the mine and questions if the operation is worth the toll it takes on their family.

The Victoria Diggers suspect that all the gold from the mine shafts they're excavating has already been cleaned out, and Jake's new 'vat leaching' plant delivers a 100-ounce motherlode.

As the end of the season approaches, the Scrappers are over $185,000 short of target, the Dirt Dogs' season is on the ropes, and the Victoria Diggers' job becomes dangerous as a heavy storm strikes.

Dale's business is growing, but so are the risks. A cliffside wreck recovery forces him to face fears and prove he's up to the challenge.

The mining team faces another setback when their excavator can't dig deep enough to get to the gold, and Ray faces a hard-bargaining Greenlander who owns the biggest digger on the island.

PJ's wife visits the mine and questions if the operation is worth the toll it takes on their family.

The Ferals lose a team member in the unforgiving outback, and Shane gets an attractive offer that could break up his partnership with Russell.

Jacqui and Andrews' big gold dreams are stalled by communication issues, and the Poseidon Crew battle wet weather to unearth a monster pay day.

Irv restores a golden supercar, a 1970s Lamborghini Espada, for a client in the Middle East. Hidden structural damage and spiralling engine issues threaten the entire project.

Richie and Kimberley - the owners of 1870 - learn the hard way that all that glitters is not gold, and old business partners Donnie and Leigh come face-to-face in a dramatic screaming match.

Reza is in Saudi Arabia to reveal the secrets of a hidden frontier on the brink of historic change.

In the Netherlands, engineers race to build Hawaikinui 2 - a next-generation cargo ship designed to supply some of the most remote islands in the South Pacific.

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.

Six weeks into the mackerel season, the Wildcard crew faces incredible highs and lows; a record haul brings triumph, but injuries, tensions, sharks and a sinking rowboat could threaten it all.