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When a truck driver refuses help after sliding to a standstill, he creates chaos on the main road. Plus, a gritter falls victim to the ice. (S9, ep 6) 7+.

Thord and Bjoern rescue a truck that threatens to tip, while Jo Roger looks to save a snow plough - before a second truck crashes in the same spot. (S9, ep 8) 7+.

As Thord and Terje risk their lives to save one truck's valuable cargo, Jo Roger and Stig help another truck which is stuck blocking a main road. 7+.

The planet is warming more rapidly in the north, heating up the mass of arctic air called the polar vortex. (4 of 10) 7+.

Gripping investigation into the fierce storm and deadly ambition that led to the deaths of nine climbers during their descent of Mount Everest in 1996. 7+.

Landing at one of the world's most challenging airports, a passenger plane comes in like a fighter jet, skids off the runway and bursts into flames. 7+.

Lightning has struck an incoming flight. As engineers assess the damage, high winds lead to runway closures and another plane starts leaking a potentially dangerous liquid. 7+.

A duty manager encounters a suspicious package, a rookie handles two medical emergencies in one hour and a freight handling crew struggle with a bulging cargo pod. 7+.

As thunder rumbles and rain pours, maintenance teams carry out urgent post-winter repairs, but lightning forces them inside. (7 of 10) 7+.

Flying 3,000 feet above the Gulf of Mexico, TACA flight 110 hit a violent thunderstorm. With both engines dead, it was up to the pilot to save everyone. 7+.

Straight after takeoff, Air Florida flight 90 stalled and plunged into Washington's Potomac River. Experts examine what caused the catastrophe. 7+.

Archaeologists excavate a buried city in Jordan, dive to a sunken temple in Italy and explore Petra to shed new light on how Rome conquered the east. (S2, ep 3) 7+.

Experts face a real puzzle after archaeologists discover a tomb containing a princess, a noblewoman and 30 mysterious mummies. 7+.

The discovery of Tutankhamun's tomb is revealed for the first time in colour, thanks to colorisation of black-and-white newsreel and photographs. 7+.

Deep beneath the ocean lie the remains of ancient wrecks. As the water drains away, discover the stories behind epic naval battles. 7+.

Experts investigate inexplicable sightings of mystery creatures in the world's lakes and lochs. 7+.

Customs and Border Protection finds drugs hidden in cans and HSI stops a date rape drug from hitting the streets. (S1, ep 5) 7+.

CBP MIA finds a package of ecstasy, which leads to a controlled delivery and arrest. CBP JFK questions a traveller connected to drug smugglers. (S1, ep 6) 7+.

Under the waters of the Bahamas lie 1,500km of unexplored caves. Now a dive team investigate the labyrinth and uncover treasures, as well as 1,200-year-old human remains. 7+.

Holy Shroud & Star God Temple: Experts use new technology to investigate what could be hidden lettering on the Holy Shroud, and go to Peru on a quest to solve an age-old mystery. 7+.

Sodom and Gomorrah & Voynich Manuscript: Experts find new evidence pointing to the location of two Biblical sin cities, and battle to decode the mysterious Voynich text. 7+.

Discover how decadent doughnuts, rich and silky ice cream, spicy hot Korean kimchi, and flaky kosher salt gets to the masses. (S2, ep 1) 7+.

Discover the secrets behind foods as diverse as salsa, ice cream sandwiches, oka cheese and fortune cookies. (S2, ep 2) 7+.

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Chris Barrie takes a Routemaster bus down to his local skidpan and fires up a Vulcan bomber as he investigates the greatest British machines of the 1950s. 7+.

Three harrowing disasters reveal the threat of poor weather to a safe landing, with heavy rain, thunderstorms and treacherous crosswinds. (S6, ep 4) 7+.

Looks at the 1999 Paddington train crash. Who was at fault? And could the devastating collision that killed 31 people have been avoided? 7+.

In 1945, HMS Venturer intercepted a U-boat set to deliver German wonder weapons to Japan. The result was history's only sinking of its kind. (S2, ep 5) 7+.

It's September 1943 and Operation Avalanche is underway. But, the battle through Italy to liberate Rome will be one of the longest and bloodiest campaigns of the war. 7+.

When a massive explosion tears a hole in a 747 over Hawaii, the search for answers ultimately leads to a deadly short circuit. (2 of 10) 7+.

A plane carrying footballer Emiliano Sala vanishes over the English Channel, but questions are raised when investigators find the wreckage. (3 of 10) 7+.

Allies in WWII face three missions: a trapped British regiment, a Canadian cavalry on a causeway and an American unit racing for a Rhine bridge.

The story of US atomic experiments and the warships they destroyed - including a submarine and a mighty aircraft carrier. 7+.

As wild weather and traffic convoys cause havoc, Thord races to rescue stranded drivers. Plus, Ole Henrik takes the company's new truck on its first mission. (S9, ep 4) 7+.

One of the greatest fortifications in warfare history, the campaign to breach Hitler's Siegfried Line cost 140,000 American casualties. (S2, ep 2) 7+.

When two Boeing 737s crashed two years apart in almost identical circumstances, investigators raced to find the cause. Was there a fatal flaw? 7+.

Following the 2019 fire that almost destroyed Paris's iconic Notre Dame Cathedral, a team of experts set out to restore this historic landmark. (1 of 2) 7+.

Five years after the fire, get exclusive access to Notre Dame's one billion restoration, now entering its final stages. (2 of 2) 7+.

Supersize building projects revealing how the construction of a 26-kilometre subway line through Rome has unearthed some of the most important discoveries of the modern age. 7+.

Experts investigate an unexpected explanation for the fatal crash of Air Moorea Flight 1121 when they hear its pilot's anguished cry on the cockpit voice recorder. 12+.

The hosts are off to Manchester to pick up a 1978 Bedford HA Ice Cream Van. Owner Barbara has served ice cream to the locals for over 50 years. 7+.

HSI tracks a suspicious vehicle for 48 hours, leading them to a San Diego stash house. CBP in Calexico uses a specialized scope to locate narcotics. 7+. (6 of.

HSI agents execute a controlled delivery of 163 grams of ecstasy. CBP officers in El Paso find 240 grams of fentanyl worth $7,800 abandoned in a bathroom. 7+.

The guys search the factory where marble was made for the US Supreme Court. They also find White House blueprints in an old bomb shelter. (S1, ep 12) 7+.

Given permission to take whatever they can carry, Jay and the team fill their truck with unusual and valuable items from an abandoned lace factory. (13 of 14) 7+.

Get the scoop on organic cheese twists, high-end chili powder, vodka-laced pasta sauce, and tons of bite-size mint chocolate patties. (S4, ep 6) 7+.

Discover the recipe for bite-size coffee cakes, tortilla chips, microwave popcorn, and delicious double chocolate vegan mint cookies. (S4, ep 7) 7+.

The first ever spate of shark attacks on the Jersey Shore leaves four beachgoers dead, and a nation terrified. So, why did they happen? (S6, ep 5) 12+.

Southern California is the site of twelve shocking shark attacks in just two years. Experts race to find the cause behind this frightening spike. (S6, ep 6) 12+.

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Chris Barrie relives the Monte Carlo rally at the wheel of a Mini Cooper and recreates Sir Ranulph Fiennes' Nile hovercraft expedition. 7+.

Situations can turn deadly if training is ignored. Basketball legend Kobe Bryant is among the casualties when a helicopter crashes in LA. (S6, ep 5) 7+.

Archaeologists excavate a buried city in Jordan, dive to a sunken temple in Italy and explore Petra to shed new light on how Rome conquered the east. (S2, ep 3) 7+.

A secret mission nearly incites a nuclear war when the US catches one of four Soviet Project submarines carrying nuclear torpedoes towards Cuba. (S2, ep 6) 7+.

From a daring escape from Auschwitz to the desperate fight to save Warsaw from complete destruction, discover the untold story of the Battle for Poland. 7+.

With flames emerging through the cockpit floor, the pilots of Pilgrim Airline 458 somehow manage to land safely - but the inferno doesn't stop there. (4 of 10) 7+.

When two float planes carrying tourists collide near a spectacular Alaskan waterfall, investigators turn to 3D technology to figure out why. (5 of 10) 7+.

US paratroopers are dropped behind enemy lines before the D-Day landings to prevent German reinforcements from reaching the beaches. (S2, ep 1) 7+.

Cutting-edge documentary which pulls the virtual plug from North America's Great Lakes. What secrets of geology and human history lurk beneath these huge expanses of fresh water? 7+.

Thord puts his life in danger to rescue one truck that skidded to a stop on the ice, while rookie Raido battles icy conditions to recover a fish truck. (S9, ep 3) 7+.

Eager to keep hold of the Channel Islands, Hitler ordered that some of the Third Reich's most fortified structures be built on British soil. (S3, ep 1) 7+.

On 19 February 1985, a China Airlines flight stalled in mid-air. The pilots managed to pull the plane out of its dive avoiding disaster. Why did it happen? 7+.

Former members of Hitler's SS speak openly about their part in one of the most powerful and feared organisations in Nazi Germany. (1 of.

Former members open up about their time in the SS - the paramilitary organisation ordered by Hitler to eradicate enemies of the Nazi regime. (2 of.

Rauray, Normandy, 1944: British commander John Semken's Sherman faces a German Tiger just 110 metres away. Against all odds, he triumphs, revealing why the Allies were winning. 7+.

Titanic In The Sky: On 4 November 2010, the pilots of Qantas Flight 32 had to deal with a series of failures when an explosion tore apart an engine on their A380. 7+.

The hosts pick up one of France's most legendary rally racers: A 1972 Renault Alpine 110. The car has never been driven by it's owner, Guido. (S9, ep 7) 7+.

Drugs, Bugs, and The Big Buy-Bust: As the team navigates the bustling airport, they face pressing issues, from detecting fraudulent visas to uncovering human trafficking. 7+. (7 of.

CBP busts drug smuggling in Florida, NYC and San Diego. Ketamine, $100K cocaine, 1.25kg meth delivery and 61.4kg meth seized from a car worth $470K. 7+.

The hunters visit a local dentist in search of precious metal to melt for cash. Plus, can they find treasure in medical supplies and aeroplane engines? 7+.

The treasure hunters visit estate sales and auction houses in search of silverware. But can they bag profit-making pieces at the right prices? 7+.

Make eyes with sweet potato fries, decadent Triple 'C' cheesecake, a menagerie of animal crackers, and a spicy tofu with a 2,000-year history. (S4, ep 8) 7+.

Discover the story behind vanilla extract, froggy gummy candies, and how to make millions of perfect Hershey's Kisses every day. (S4, ep 9) 7+.

Since the '90s, there have been more than 60, often fatal, shark attacks within the Recife area of Brazil. The question is, why? (S6, ep 7) 12+.

In 2010 the number of shark attacks in Western Australia exploded. Join the experts as they try to identify the cause of this change. (S6, ep 8) 12+.

Chris Barrie takes a ride in a Back to the Future DeLorean DMC and revisits the battles of the Falklands War as he seeks out the greatest British machines. 7+.

Three catastrophic approaches provoke questions, from a turboprop disaster to an invisible culprit on the Cuban border. (S6, ep 6) 7+.

Detailing the shocking truth behind 9/11. Could anyone have stopped the attacks? Air traffic staff are among those offering a fresh take on the tragedy. 7+.

September 1939. The life of German U-Boat Commander Fritz Julius Lemp takes a series of dramatic turns as he risks the wrath of Adolf Hitler. (S3, ep 2) 7+.

In April 1940, German battleships infiltrate Norwegian fjords in a bid to seize key ports and secure Hitler's supply of iron ore. (S3, 1 of 6) 7+.

After all 301 people on board Saudia Flight 163 were killed when a fire engulfed the plane, investigators had to determine why the flames spread so rapidly. (6 of 10) 7+.

Investigators struggle to explain why PenAir 3296 failed to stop after landing at a famously tricky Alaskan airport - until they uncover the truth. (7 of 10) 7+.

In 1944, British and US troops fought together to capture the fortified German town of Geilenkirchen, a key stronghold in the Siegfried Line.

Historic texts tell of an Egyptian city in the Nile delta. Can draining the waters of the Mediterranean reveal this metropolis in all its former glory? 7+.

Thord and Erlend get spooked trying to rescue a van beside a graveyard, while Bjoern gives rookie Jan Erik a lesson in becoming a proper rescuer. (S9, ep 5) 7+.

Ruins across Europe tell the story of a devastating and revolutionary military tactic that nearly allowed Hitler to create his Thousand Year Reich. 7+.

31 August 1986. A calm Labor Day is shattered by tragedy. More than 80 lives are lost when two planes fall from the sky. How and why did they collide.

Dark Waters: Will, afraid of spiders, journeys into the Ecuadorian Amazon to abseil into the womb of the Earth and harvest tarantula venom. (S1, ep 3) 7+.

US Paratroopers dropped into France before the D-Day landings and battled Nazi defenders for a key bridge behind enemy lines.

Former slave labourers at the Sobibor death camp in German-occupied Poland discuss their lives as prisoners and share the story of their courageous escape on 14 October 1943. 7+.

Investigators uncover the tragic misunderstanding of the Kegworth air disaster - when British Midland Flight 92 crashed in 1989, killing 47 people. (S13, ep 1) 7+.

The hosts head to Leicester to pick up a Mk 3 Ford Cortina, once Britain's top selling car but now on the automotive endangered species list. 7+.

As thunder rumbles and rain pours, maintenance teams carry out urgent post-winter repairs, but lightning forces them inside. (7 of 10) 7+.

HSI seizes 142kg of cocaine found in avocados in Miami. CBP busts TX stash house with 16 migrants and $40K of smuggled Viagra is found at JFK. 7+.

Reality series following a new breed of urban treasure hunters who are scouring America looking for precious metals in the most unlikely places. 7+.

On the hunt for precious metals, Dave gets his hands on some old gold mining equipment, Rich gets a lead on an old building and Diego meets a tattoo artist. 7+.

Discover the recipe for tutti-frutti candies, spinach potato latkes, and the delicious crisps that are packed with beans and veggies. (S4, ep 10) 7+.

Discover the tantalizing story of puttanesca pasta sauce, nutty almond cookies, roasted vegetable souffle and more. (S4, ep 11) 7+.

New Smyrna Beach in Florida has the most recorded shark attacks in the world. What is it that attracts sharks to this coastline? (S6, ep 9) 12+.

In 2017 and 2018, three Cape Cod beachgoers are attacked by sharks, and one of them is killed. Why did these awful events take place? (S6, ep 10) 12+.

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Chris explores the R101 airship, as well as post-WWI motorbikes, lorries and petrol pumps, and the decade's obsession with motor racing. 7+.

After a Chinese airplane lands at a top-secret US Air Force base, the search is on for the cause of a deadly rollercoaster ride in the sky. (S24, 1 of 10) 7+.

A look at the devastating tsunami that swept Northern Italy in 1963. Largely down to human error, the death of 2,000 people could have been avoided. But how? 7+.

After facing down three destroyers in the Japanese occupied harbour of Kiska, Alaska, an American submarine takes the fight to the south Pacific. (S3, ep 5) 7+.

A fearsome new Nazi battleship, sets sail for the Atlantic with a mission to destroy Allied supply ships. (S3, 2 of 6) 7+.

After a long maintenance stop, the pilots of Colgan Air 9446 struggle to stay in the air - eventually nosediving into the waters off Cape Cod. (8 of 10) 7+.

When a DC-8 with just three working engines crashes during take-off, killing all three pilots, the training simulator is found to have been fatally wrong. (9 of 10) 7+.

Experts deep dive into the various lone wolf assassination attempts made on Adolf Hitler. Through detailed scientific analysis and dramatic reconstructions. (S1, ep 1) 7+.

Drain the Last Wrecks of World War II: The wreckage from one of Hitler's U-boats continues to leave a poisonous Nazi legacy behind. 7+.

Thord tries to tow out a car that crashed into a field after a snowstorm, while a driver steers his truck off the road to avoid a collision in the north. (S9, ep 7) 7+.

A look at the deadly weapons and incredible structures built in the Nazis' bid for world domination, beginning with Hitler's infamous mountain-top chalet. 7+.

In April 1996, a jet carrying the US Commerce Secretary Ron Brown crashed in Croatia. Follow the American Air Force investigation into the crash. 7+.

Spring break puts new pressure on the airport infrastructure, its staff and the very planes themselves. (S1, ep 8) 7+.

As Hitler calls for Total War, every man, woman and child is forced to play their part. The result is one of the greatest air defence systems ever. 7+.

As students reach the midpoint of their training, they start the dogfighting phase. To pass, they must outmaneuver their opponent and take a 'kill shot'. (S1, ep 3) 7+.

Tragedy In The Air: F1 driver Niki Lauda investigates the fate of Lauda Air Flight 004, uncovering a design flaw that could affect planes globally. (S13, ep 2) 7+.