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Find out how three wheel vehicles, baseball bats, artificial bonsai trees and trombones are made, as more items are put under the microscope. S6, Ep66

Find out how springs, pavers and pianos are produced, as more everyday items are put under the microscope. S6, Ep67

Find out how rope, billiard tables and sailboards are made, as more everyday items are put under the microscope. S6, Ep68

Find out how seatbelts, windows, wax figurines and hot air balloons are made, as more everyday items are put under the microscope. S6, Ep69

It Takes A Village. The Raneys find a Montana homestead struggling through food, predator and power problems. Marty and Matt enlist a community of firefighters to help. S4, Ep14

And So It Begins. Ant Anstead has 12 weeks until his baby boy is due, and the same amount of time to fulfil a childhood fantasy, to own a 1950s Alfa Romeo 158. S1, Ep1

What Lies Beneath. Ant has found a donor 1950s chassis, so his ambitious Alfa 158 build can now begin in earnest. He also digs deep into his inspiration for this project. S1, Ep2

Bright Yellow Underpants. Ciarán crafts an art box for a fundraising cartoonist, Micaela designs a sunroom chair for a community worker, and Saf builds a bespoke DJ Booth. S3, Ep12

While searching for Big Rose, an 18-foot white shark, a research team uncovers a huge population of enormous white sharks off Nova Scotia's coast.

Experts attempt to train great whites using cues and challenges to test learning, memory, and decision-making in the wild.

Kodiak Dinosaur. A sonar recording may prove that a prehistoric monster stalks the seas around Kodiak Island. Researchers investigate the disappearance of thousands of airplanes. S2, Ep3

Long Live King Crab! When the government closes the king crab fishery, captains must save an industry they worked to create. Plus, Sig pursues invasive Russian king crab in Norway. S18, Ep1

While searching for Big Rose, an 18-foot white shark, a research team uncovers a huge population of enormous white sharks off Nova Scotia's coast.

Experts attempt to train great whites using cues and challenges to test learning, memory, and decision-making in the wild.

Popcorn Sutton Challenge. Guest judge, Pam Sutton, joins Mark, Digger and Tim as three series champions compete to make Popcorn Sutton's legendary corn whiskey! S3, Ep8

Teleshopping.

Teleshopping.

Ever wondered how everyday items such as garbage trucks and ceramic composite brake discs are made? Find out how these familiar objects are formed. S17, Ep5

Ever wondered how everyday items such as class and championship rings are made? Find out how these familiar objects are formed. S17, Ep6

Stubborn As A Mule. The team save a barn that once housed mules in the iron-mining boomtown of Low Moor, Virginia. As they work, they find evidence of the barn's industrial past. S6, Ep10

Hometown Heroes. Mark and the guys sit down to talk about a few of their favourite jobs. With special guests, never-before-seen footage and comical outtakes, it's time for some fun! S6, Ep11

Parker's New Toy. Parker brings in a brand-new wash plant to push him past 5,000 ounces. Plus, Buzz puts his reputation on the line with a gamble he may come to regret. S14, Ep18

Off The Rails. Tony goes rogue and buys a new wash plant to get his Indian River operation back up and running. Plus, Parker increases his gold target, pushing Rocksand to the limit. S14, Ep19

High Country Cabin. Construction projects are stressful, especially if they are in the middle of nowhere. Incredible skill is needed to build on tricky terrain. S3, Ep3

Lake Superior Lodge. A couple faces sun, snow and a few slip-ups as they race to finish a modern, off-grid lodge overlooking Wisconsin's south shores of Lake Superior. S3, Ep4

Last Hope. A beloved poodle is rushed to surgery. Four turtles, unable to eat, get their first vet visit in 43 years and Dr. Jeff and the team head out to operate on an alligator. S3, Ep12

A Little Miracle. Dr. Jeff's team races to help a tiny dog to deliver a large puppy and save both lives. And, the team heads downtown to help homeless people and their pets. S4, Ep1

Find out how air filters, billiard cues, ice sculptures and suits are made, as more everyday items are put under the microscope. S6, Ep70

Find out how escalator handrails, highlighters, guitar strings and wigs are made, as more everyday items are put under the microscope. S6, Ep71

Find out how traditional bows, coffee machines, mascots and hammocks are made, as more everyday items are put under the microscope. S6, Ep72

Find out how fibreglass insulation, wooden ducks, gumball machines and exhaust systems are made, as more items are put under the microscope. S6, Ep73

Bone Dry In Big Sky. The Raneys rescue a single-father homesteader facing threats of rockslides and bears in a Montana box canyon. Marty and Misty face an uphill battle. S4, Ep15

Scavengers Delight. Ant visits an Alfa specialist and gets more than he bargained for. Its win-win, but it'll be tricky to fit a Spider's axle, gearbox and engine into his 158. S1, Ep3

Across The Pond. Ant is beginning to feel the pressure of his ambitious build. The only place he can get the correct body mould on short notice is more than 5,000 miles away. S1, Ep4

The One-Armed Bandit. As the Alfa build nears the halfway point, a torn bicep threatens to derail the project. Ant's wife is surprised to learn that the 158 is a single-seater. S1, Ep5

Does My Chassis Look Big In This? Ant's 158 and injured arm are both progressing, but he still needs help. Meanwhile, the body is still in transit and might not fit the chassis. S1, Ep6

Shark attack survivor Paul de Gelder and predator specialist Rosie Moore uncover what's fuelling a surge in bull shark aggression in Jupiter, Florida.

Experts analyse shark encounters caught on camera, using forensics to review bite marks and behaviour patterns as they wonder: What shark attacked?

Gold Rush Ghost Town. A ghost hunter seeks out spirits from the gold rush in Skagway, Alaska. Tiny demonic creatures may be behind thousands of disappearances in the Triangle. S2, Ep4

No Sleep Till Rescue. Captain Sig suddenly loses power as he battles to launch his new Norwegian fishing operation. Plus, Captain Rip Carlton races to save an injured deckhand. S18, Ep2

Shark attack survivor Paul de Gelder and predator specialist Rosie Moore uncover what's fuelling a surge in bull shark aggression in Jupiter, Florida.

Experts analyse shark encounters caught on camera, using forensics to review bite marks and behaviour patterns as they wonder: What shark attacked?

Fear The Reaper. When Zeke's custom sluice malfunctions, Emily tries to save the Clark's season. The Kellys gets too close to Vernon's claim and can Mr. Gold plug a risky leak? S5, Ep18

Lost Family Recipe Showdown. Josh, Daniel and Mike put their family recipes on the line to see whose multi-generational moonshine heritage will weather the test of time. S3, Ep9

Teleshopping.

Teleshopping.

Ever wondered how everyday items such as cocoa beans and bulk chocolate are made? Find out how these familiar objects are formed. S17, Ep7

Ever wondered how everyday items such as apple pies and household radiators are made? Find out how these familiar objects are formed. S17, Ep8

Boneyard Punch List. While Mark is on the road, the guys pick off a list of chores at home, including stacking the Hamlin cabin. Mark checks out an incredible timber-frame barn. S6, Ep12

Pieces Of The Past. Mark and the team salvage every good log they can from an old double-pen barn in Pennsylvania so the logs can be used to build a guesthouse in upstate New York. S6, Ep13

Waking The Beast. Tony tries to resurrect his infamous Dredge no.1. Parker brings in his last gold from Australia Creek and focuses the team on finishing the Money Pit. S14, Ep20

Rally Valley Or Bust. Rick bets his season on firing up Monster Red. Tony's dredge suffers a major setback. Meanwhile, the McCaughans break out a crazy contraption. S14, Ep21

Earth Block Ranch. Construction projects are stressful, especially if they are in the middle of nowhere. Incredible skill is needed to build on tricky terrain. S3, Ep5

Montana Mountain Modern. A father-son duo builds an off-grid home in Montana. The 720-square-foot home takes advantage of mountain winds by using a wind-turbine generator for power. S3, Ep7

Into The Jungle. Dr. Jeff and the team head to Mexico to offer free veterinary care for poor families. Over one gruelling week they will treat hundreds of animals in need. S4, Ep2

The Dog Who Won Jeff's Heart. A client brings in an unusual pet who is fast outgrowing his enclosure. And, Dr. Jeff treats a pet cat with multiple serious and mysterious injuries. S4, Ep3

Find out how chains, cedar canoes, vinyl records and bagels are made, as more everyday items are put under the microscope. S6, Ep74

Find out how windshields, English saddles, butter and electric guitars are made, as more everyday items are put under the microscope. S6, Ep75

Find out how individual transporters, post clocks, drum heads and drums are made, as more everyday items are put under the microscope. S6, Ep76

Find out how residential water heaters, air bags, jelly beans and ice resurfacers are made, as more everyday items are put under the microscope. S6, Ep77

Smoky Mountain Hope. Marty faces his most daunting challenge ever in the rescue of a Tennessee homestead. He calls on past homesteaders and a home renovation team to help. S4, Ep16

The Real Deal. Ant hits week seven of his Alfa build and takes the team on a pilgrimage to see an original Alfa 158. He is starstruck and even squeezes into the beauty for a selfie. S1, Ep7

O Motor Where Art Thou. Ant's engine for the Alfa 158 is still missing in action and he is losing patience. He's been working early mornings, late nights and weekends. S1, Ep8

Rise And Wine. Ant tries to sweet-talk his way into taking the completed Alfa 158 to the US Grand Prix in Austin. But the car isn't done, and the crew must do the heavy lifting. S1, Ep9

License To Grille. Ant's ambitious Alfa build is on the home stretch, but his new baby is due any day. And, he gets good news about his plan to unveil the car at the US Grand Prix. S1, Ep10

Experts provoke orcas to strike, risking it all to reveal how killer whales hunt and take down great whites.

Prehistoric sharks rise from the dead as marine biologists investigate the superpredators that once ruled the seas.

Haunted Fairground. A fairground on the city limits of Fairbanks is rumoured to be home to a dark spirit. Ghost hunters try to contact this powerful poltergeist. S2, Ep5