Discovery+1

How do they recycle metal and make pencils and coffee? Find out as more everyday items are put under the microscope.

How do they make javelins, cuckoo clocks, and windscreen wipers? Find out as more everyday items are put under the microscope.

In Maine, a couple wants a magical treehouse with a grown-up twist. In Massachusetts, Pete raises the curtain on a Tudor-style theatre treehouse.

Dustin's crew make an exciting discovery that pushes them to test their limits. Fred's crew is dangerously deep and under pressure to get down to bedrock.

A storm turns McKinley Creek into a raging torrent, but Dustin is unwilling to call it quits. Fred's fears come true as the walls of his dive hole come crashing down.

Dining Table / Motorbike / Chess Table. Alex is asked to make a beautiful bench. Robin works on a surfboard coffee table, and Ella builds an aviation-themed garden planter.

Cricket Lamp / Workbench / Bird Table. Ella builds a unique bird bath for a woman's amazing foster parents. Alex creates a personalised toolbox. Saf makes a stylish drinks cabinet.

How can a dung beetle standing on its head roll a ball in a straight line? Do egrets ever regret hanging out next to hungry alligators? Experts explain.

Experts examine incredible natural phenomena. Which animals get the giggles? Why do San Francisco's sea lions mysteriously swim away - all at once.

Experts examine incredible footage of a lone dolphin that gets muddy. Plus, why is it possible that a snake could exist totally undetected by predators.

Experts examine footage of crows leaving gifts in Seattle. Plus, could a shark really be older than America? And, what is making crop circles in the sea.

How do they make wood-burning stoves that bring warmth to the Norwegian winter? Plus, how did they build the synthesiser that changed music forever.

How do they assemble the reinvented Morgan 3 Wheeler? Plus, how do they protect firefighters' hands from heat, flame and chemical attack.

How do they make wind turbines with twice the wingspan of a Boeing? Plus, how do they mould car tyres from the ooze of a tree.

How do they make the tank piercing super bullet? Plus, how do they forge the infamous torture weapon, the dentist's drill.

As the end of winter nears, the residents look toward to the future. Bob trains Ruger to be a hunting dog, while Ray prepares for a life without his daughters.

Sunlight finally returns to the refuge. Heimo is stopped in his tracks by -50 degree temperatures, and The Seldens make their home in a new cabin.

VW SP2. In Sao Paulo, the boys buy a Brazilian designed VW SP2. It's a dream come true for Mike, but the car lacks power and Elvis has to give it some brawn.

Mini Moke. Mike and Elvis head to sun drenched Portugal where the iconic Mini Moke has earned cult status. It's a car with a very special place in Mike's heart.

John makes an emergency trip to St. George Island to feed his hungry crew. Sig and Jake lure Bairdi crab to their own side of a maritime boundary.

Chasing a royalty-free payday, Jared bets half his crew on an abandoned claim. With $1m due in 8 weeks, it could win - or sink - the Forever Claim.

Josh, Phil and Heather investigate the notorious Trans-Allegheny Lunatic Asylum, where thousands died after disturbing medical procedures.

In Skåne, Stefan stops a drunk driver. A closer look in his car reveals large quantities of smuggled goods. Alex looks for cannabis at a party cruise.

John makes an emergency trip to St. George Island to feed his hungry crew. Sig and Jake lure Bairdi crab to their own side of a maritime boundary.

Chasing a royalty-free payday, Jared bets half his crew on an abandoned claim. With $1m due in 8 weeks, it could win - or sink - the Forever Claim.

Part 1. The weather is turning, so it's 'make or break' time for many miners in the fleet. Vern finds a lucky nugget, while Shawn battles freezing ground.

As Mark and Digger undertake their large-scale bootleg to Nashville, the law makes an unwelcome return. Plus, Mexican moonshiners make Tim liquor with meat.

How do they make technical glass, washing machines, playing cards and crossbows? Find out as more items are put under the microscope.

How do they manufacture cine cameras, glass Christmas decorations, and giant tyres? Find out as more items are put under the microscope.

Pete and the team are off to build a charming, rustic river shack themed treehouse along the banks of the Mississippi.

Pete is off to build his second Alaskan treehouse! He sets out to create an outside-in treehouse and heats things up by installing a sauna in the trees.

Determined to add to his season's record-breaking gold haul, Dustin pushes his luck and a freak accident sends him hurtling out of control towards an 80-foot drop.

Dustin takes the biggest gamble of his life, but will doubling his crew mean double the reward or double the danger? Meanwhile, Fred drops a bombshell on Dustin.

Guitar Case / Side Table / Boat. Alex builds a foldable chair for a beloved basketball coach. Robin creates a three-piece mirror, and Charis makes an ottoman-style seat.

Viking Bench / Tea Set / Medal Display Case. Ella and Charis build a remarkable sculptured sign language table. Alex creates a vintage-style bookcase. Saf works on a pair of stools.

Why would goats risk their lives to climb an almost vertical wall? Plus, what happens when a zebra has no stripes? Experts explain this and more.

Why have a pair of giraffes turned white in Kenya? Plus, why are the world's fastest land animal not always successful when hunting? Experts examine this and more.

How do bats avoid bumping into each other in the middle of the night? Why did a bottlenose dolphin seek out a diver's help? Experts examine this and more.

Why would 25,000 honeybees swarm a hot dog stand in the middle of Times Square? Why would a bat hunker down in the snow? Experts examine this and more.

How do they make giant floating power stations that provide power around the world? Plus, how do they fabricate the world's smallest aircraft.

How do they create coloured crayons used by children and artists around the world? Plus, how do artisans and craftsmen create treasured mirrors in India.

How do they power the next generation of race cars that run on electricity? Plus, how do they make mead - the favourite drink of the infamous Vikings.

How do they build the steam-powered paddleboats that cruise the Mississippi River? And, how did they create the defence system called 'the waterwall'.

As the summer fades, the last Alaskans begin their countdown to trapping season. Heimo works to ready a campsite, while Tyler and Ashley hope to stock up on moose meat.

The countdown to winter continues as Heimo breaks ground on the new cabin, while Bob and his daughter embark on a river journey to the cabin where she was raised.

Audi RS2. The guys take a huge risk buying a neglected Audi RS2 that they can't test drive. Will this high-performance estate car turn into a €40k money pit.

After an emotional send off, Sara battles through a week of chaos, determined to achieve her goal of becoming the first American woman to win Dakar.

The boys snap up a Mitsubishi Shogun. If Elvis can sort out the car's rust, he'll upgrade its off-roading capability with a lift and some accessories.

Dean looks to grow his collection of superbikes. He invites TT-winning superbiker rider Dean Harrison to the airport for a unique speed challenge on the runway.

The team continue their investigation into a lunatic asylum. They capture evidence that convinces them this is their most terrifying expedition yet.

At Arlanda, Alex stops a man he suspects of drug smuggling. He soon realises the man is not telling the truth. Plus, Olivia gets yelled at.

After an emotional send off, Sara battles through a week of chaos, determined to achieve her goal of becoming the first American woman to win Dakar.

Dean looks to grow his collection of superbikes. He invites TT-winning superbiker rider Dean Harrison to the airport for a unique speed challenge on the runway.

Part 2. The weather is turning, so it's 'make or break' time for many miners in the fleet. Vern finds a lucky nugget, while Shawn battles freezing ground.

Mark and Digger discover they're under investigation by the law. And, Josh goes into hiding when a fire marshal tracks the source of his house fire.

How do they manufacture microphones, hot tubs, AstroTurf and beer steins? Find out as more items are put under the microscope.

How do they make hot rods, decorative eggs, baseballs, and fire hose nozzles? Find out as more everyday items are put under the microscope.

Pete creates an off-the-grid escape that's all about peace, love, and treehouses. Once built, the owner adds a massive hammock in the trees.

Pete is in Utopia for a joint venture: a treehouse B&B built for romance. It will have stained glass, a bedroom - and the biggest bathroom Pete has ever built.

Dustin puts his money and reputation on the line, doubling down on two claims. He brings in fresh recruits who quickly learn the dangers of mining in white water.

Under pressure to get his first gold of the season, Dustin pushes both crews to their limits. It gets even more intense when the dangerous mine site is rocked by an earthquake.

Writing Desk / Firepit / Water Feature. The team take on three ambitious timber projects. Alex creates a unique hammock. Robin builds a bike storage rack.

Portable Bar / Edinburgh Coffee Table / Candelabra. Robin creates the ultimate desk for a warm-hearted DJ. Saf works on a convertible bench and table, while Alex builds a giant game.

Steve Irwin's son Robert follows in his footsteps. After months of training, it's time for him to solo feed the most notorious croc at the Australia Zoo.

Hunter the tiger is being sedated for his annual eye check, allowing Terri to get close. Bindi puts on a birthday party for Minibus - the Zoo's oldest Wombat.

How do they make modern paving stones and how has the process changed over thousands of years? Plus, how do they create a traditionally tailored tuxedo suit.

How do they fabricate fire gloves for emergency services personnel? Plus, how do they create the enamel that is used in bake-wear around the world.

How do the islanders of the Outer Hebrides use pedal power to weave world-famous Harris tweed? And, in Iceland, how do they prepare fermented shark.

How do they make the world's most expensive and luxurious beds? And, how do they deliver supplies and equipment to the International Space Station.

Preparations for winter continue and focus centres on finding food. Heimo seeks out caribou meat, while Tyler and Ashley score big game.

Autumn continues in the bush as the Last Alaskans settle into wilderness solitude. Battling loneliness, Bob Harte welcomes a visitor to his cabin.

SEAT 600. In Barcelona, Mike and Elvis try to restore a SEAT 600, but an unexpected breakdown and some nasty bills put the boys' profit margin in peril.

Anadol STC16. Mike and Elvis travel to Turkey in search of one of the rarest cars they've ever bought, the Anadol STC16, but the one they find needs major work.

A South African ranger and a Texan wilderness guide attempt to survive 21 days in a remote Thai jungle against relentless monsoons and king cobras.

As an Oklahoma warm front unleashes long-track tornadoes, one twister grows to EF-3 strength, destroying a weed farm and forcing Reed onto dirt roads.