Hitler's Lost Bunker. The underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime. Experts use cutting-edge technology to uncover new evidence.

The New Mystery. The Leaning Tower of Pisa is one of the world's most iconic buildings, but why does it lean? Investigators uncover the reasons for its tilt.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Rise of the Ice Creatures. An Apollo 17 photo seems to show a US military outpost on the Moon and is life in the oceans of Jupiter's moons? Plus Neil Armstrong faces real danger.

Ghosts On A Comet. When a Chinese moon rover breaks down, a NASA scientist points to a mysterious material that seemed to sabotage the Apollo missions, decades earlier.

The Moon That Disappeared. Newly discovered documents reveal NASA's secret plan B for failure of the first moon landing. And NASA's Cassini mission unravels a 300-year-old mystery.

Ancient Astronauts. Did aliens help build the Pyramids? Or does the 'ancient astronauts' idea go back to Swiss author Erich von Daniken, whose books challenge religion and science?

Founding Fathers. Discovers which of America's founding fathers used sex as an instrument of diplomacy and which one secretly scoffed at the divinity of Jesus.

Secrets Of The Black Pyramid. With special access to a hi-tech archaeological investigation, experts reveal why Egypt's Black Pyramid collapsed before its pharaoh was buried there.

Egypt's Sunken Treasures. A cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.

The Sun's Evil Twin. Witnesses photograph two suns in the sky over Indonesia - is this the first sighting of the Sun's dark twin that could spell imminent danger to Earth?

Secret Aliens. Geologists discover alien deposits on the Earth's surface - and the answer could shed light on the cause of the greatest extinction in its history.

Stonehenge On Mars. A NASA probe captures an image of a familiar structure on the surface of Mars. What made 'Mars Henge'? Plus, how did an Apollo astronaut get sick on the Moon?

How do they build the ultimate car crushing colossus? Plus, how do Lea and Perrins concoct their Worcestershire sauce?

A look at how the amazing, and massive, decorations on Mardi Gras carnival floats are created, how rock candy is twisted together, and a look at how dentures are made.

How do they harvest and treat the world's most expensive tea? Plus, how does the Siekierki power plant of Warsaw, Poland heat half the city's homes?

How do they engineer the latest incarnation of the classic Royal Enfield Continental GT motorbike? Plus, how do 'art detectives' spot a forgery?

How do they blend science and destruction at crash test centres? And how do they piece together the complex mechanism of a pocket sized umbrella?

How do they forge the blades to crack open oyster shells? Plus, how do scientists in a lab grow the synthetic diamonds of the future?

The Nest. Russell finds a structure he believes is a Bigfoot nest. Meanwhile, new team member Ronny joins Mireya in a race to the nest to collect DNA samples.

Red Eyes At Night. Mireya and Ronny make a powerful discovery in the area around the nest. And, Bryce suspects Bigfoot is emitting infrasound to repel the team from its territory.

Knights Templar In America. Justin and Emiliano investigate the possibility that the Knights Templar fled Europe and rebuilt their order in the Americas a century before Columbus.

Killing Meriwether Lewis. Justin and Emiliano investigate an international conspiracy involving the highest levels of government. Could this prove Meriwether Lewis was assassinated?

The Sun's Evil Twin. Witnesses photograph two suns in the sky over Indonesia - is this the first sighting of the Sun's dark twin that could spell imminent danger to Earth?

Secret Aliens. Geologists discover alien deposits on the Earth's surface - and the answer could shed light on the cause of the greatest extinction in its history.

Stonehenge On Mars. A NASA probe captures an image of a familiar structure on the surface of Mars. What made 'Mars Henge'? Plus, how did an Apollo astronaut get sick on the Moon?

Ghosts Of The Wild West. The infamous gunfight at the O.K. Corral only lasted 30 seconds. Now, experts use cutting-edge technology to uncover the mystery surrounding the event.

The New Evidence. The Tower of Babel is one of the most famous stories of the Bible. Archaeologists use new technology to uncover how engineers could have built it.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Curse Of The Red Planet. Three cosmonauts die mysteriously as they re-enter Earth's atmosphere. Plus, a NASA rover discovers clues that help solve a murder.

Red Storm Rising. Two astronauts trapped in the vacuum of space face an agonising death. Plus, the first close up images of Pluto reveal an alien landscape.

Attack Of The Thunderballs. Astronauts are evacuated when a mystery object is discovered hurtling towards the ISS. Plus, a secret agent goes undercover to recover missing moon rocks.

Deadly Cults. Whether its religious fire-and-brimstone, Armageddon, or visitors from outer space, the US has no shortage of people coming together to get swept up in the fervour.

Experimental Soldiers. At the height of the Cold War, the USA searches for a way to create a generation of 'Supersoldiers' who use telepathy to win battles.

Lost World Of Atlantis. New discoveries on a strange Mediterranean island might offer new clues in the hunt for Atlantis. Experts reveal the apocalyptic event that destroyed it.

Jericho's Buried Secrets. New discoveries at the lost city of Jericho offer fresh evidence about the biblical battle that brought its impregnable walls down.

CIA's Secret Revenge. When the Soviet Union unveils its own space shuttle, the CIA hatches a revenge plot. Plus, a missing nuclear weapon could threaten a NASA base in the Arctic.

Saturn's Death Star. A NASA spacecraft suffers a malfunction in orbit - can its lone astronaut make it back to Earth? Plus, new evidence emerges over Yuri Gagarin's mysterious death.

Planet Of The Metal Aliens. Experts investigate if a nearby exoplanet could be the home to an alien civilization after a new discovery confirms that life can thrive on such a world.

How do they make cheddar, the world's most popular cheese? How do they breathe life into Rususci Anne - the plastic woman that teaches CPR?

How do Ford produce the ubiquitous white van, the Transit? Plus, how do they ensure the Driza-bone coat lives up to its name?

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?

More everyday items go under the microscope, revealing their production. How are objects including promotional origami and hedge shears made?

More everyday items go under the microscope, revealing their production. How are objects including barbeque utensils made?

More everyday items go under the microscope, revealing their production. How are objects including boat radar mounts made?

A look at how everyday items including Asian noodles and rotary engines are made, revealing the unique production processes used in making them.

Morgan 3-Wheeler. The crew head to the birthplace of the Morgan 3-Wheeler in England where the car's inner workings and gorgeous exterior are examined.

Ginetta G40. Ginetta and Team LNT are synonymous with racing, making headway in auto racing history for decades. The crew head to its birthplace, revealing the inner workings.

Lucra LC470. The Lucra LC470 is a lightweight supercar with heavyweight power. What design choices make this stunning vehicle so durable, agile and fast?

Chevrolet Corvette Stingray. The Chevrolet Corvette Stingray is a fast and lightweight update on an automobile legend from the 1960s. How is this impressive vehicle constructed?

CIA's Secret Revenge. When the Soviet Union unveils its own space shuttle, the CIA hatches a revenge plot. Plus, a missing nuclear weapon could threaten a NASA base in the Arctic.

Saturn's Death Star. A NASA spacecraft suffers a malfunction in orbit - can its lone astronaut make it back to Earth? Plus, new evidence emerges over Yuri Gagarin's mysterious death.

Planet Of The Metal Aliens. Experts investigate if a nearby exoplanet could be the home to an alien civilization after a new discovery confirms that life can thrive on such a world.

Lost City Of Troy. Troy is the legendary lost city at the centre of the Trojan War, but its existence was never confirmed. New cutting-edge technology explores the ancient myth.

The Hidden Secrets. Mount Rushmore is one of North America's most iconic landmarks. Experts use cutting-edge technology to reveal what lies beneath the rock.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Pluto's Stranger Things. Did Apollo astronauts hear unexplained transmissions on the far side of the moon? Plus, an astronomer spots a strange disturbance in Martian atmosphere.

Rise Of The Planet Killer. Apollo 12 astronauts bring back something alive from the moon. Plus, NASA track an asteroid heading towards Earth and make a shocking discovery.

A President's Close Encounter. Geysers are discovered on a frozen moon, NASA redirects a probe on a mission to find proof of life, and a future US President is eyewitness to a UFO.

Dinosaur Cowboys. Montana rancher Clayton finds what might be a rare and valuable fossil on his family's property. In Wyoming, Mike and his son uncover a triceratops horn.

Million-Dollar Dino. Clayton continues his excavation of a rare, carnivorous dinosaur on his Montana ranch. In Wyoming, Mike and Jake prepare to sell their prized T-Rex fossil.

Fire In The Cockpit. Experts investigate to see if the fire on Apollo 1 that killed three astronauts was a cover-up. Was it a tragic accident or part of the moon landing conspiracy?

NASA Nazi Conspiracy. Experts investigate if there was a conspiracy to fake the moon landing. Does a secret report suggest the Nazis were involved in the Apollo space programme?

Did Aliens Nuke Mars? A strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago - could this be true?

Killer Rocks. Earth is hit by 100 tons of rock from space every day. Most burn up in the atmosphere, but a single rock wiped out the dinosaurs. Could it happen again?

Death Ray. When a massive star dies it can direct a blast of radiation that would obliterate life of earth. What are the chances of this event occurring?

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

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?

Fire In King Tut's Tomb. Archaeologist Ramy Romany investigates whether King Tut's mummy was burnt from a change in the mummification process, or was there a more sinister reason?

The Trail Of Murdered Mummies. Archaeologist Ramy Romany examines well-preserved bodies from more than 2,000 years ago to see if they were victims of human sacrifice.

500 Million Dollar List. Last season, Miklos located a shipwreck tied to Christopher Columbus using Cooper's intel. Now, Miklos has 8 weeks of cash left to find another shipwreck.

Hunt For The Gold Table. After discovering a 1700s-era cannon Darrell seeks the ship's origin. A letter in Gordon's files details a 16th century wreck connected to Sir Francis Drake.

Did Aliens Nuke Mars? A strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago - could this be true?

Killer Rocks. Earth is hit by 100 tons of rock from space every day. Most burn up in the atmosphere, but a single rock wiped out the dinosaurs. Could it happen again?

Death Ray. When a massive star dies it can direct a blast of radiation that would obliterate life of earth. What are the chances of this event occurring?

Curse Of The Hindenburg. What caused the Nazi aircraft to explode into a giant ball of fire over New Jersey in 1937? Experts use cutting-edge technology to investigate the event.

Bermuda Triangle Apocalypse. Cutting-edge technology is helping experts investigate the Bermuda triangle. Using new techniques, they search for evidence of aliens on the ocean floor.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Secrets Of The Black Pyramid. With special access to a hi-tech archaeological investigation, experts reveal why Egypt's Black Pyramid collapsed before its pharaoh was buried there.

Egypt's Sunken Treasures. A cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.

More everyday items go under the microscope. How are objects including storage sheds, industrial fans, climbing walls and parchment paper made?

More everyday items go under the microscope. How are objects including concrete walls, telescopic cranes, 3D printers and kerosene lamp burners made?

More everyday items go under the microscope. How are objects including car headlamps, directional drills, pet grooming combs and stained glass made?

More everyday items go under the microscope. How are objects including handcrafted skis, septic tanks, hydroformed chassis parts and aquarium windows made?

Chevrolet Corvette Stingray. The Chevrolet Corvette Stingray is a fast and lightweight update on an automobile legend from the 1960s. How is this impressive vehicle constructed?

KTM X-Bow. Heavily inspired by superbike designs, the KTM X-Bow is always road and race ready. What elements come together to create this powerful and innovative vehicle?

Tesla Model S. The Tesla Model S is a high-performance and high-speed vehicle with zero emissions. What goes into the construction of this innovative electric car?

Superformance MKIII. The Superformance MKIII draws inspiration from the Shelby Cobra to be an impressive combination of style and power. How is this stunning vehicle made?

The Dark Matter Enigma. Dark matter is one of the greatest mysteries of the universe facing scientists today. Could it be the cause of supermassive black holes and mass extinctions?

Strangest Alien Worlds. Astronomers have discovered bizarre planets very different to Earth out in the galaxy, but will we ever locate a planet similar to our own?

Did Earth Have Two Moons? A startling discovery suggests the hellish clouds of Venus may be the origin of life on Earth. Plus, did the Earth once have two moons?

Mystery Of The Invisible Planet. A probe mysteriously malfunctions as it enters deep space. Astronomers find evidence of an invisible planet in a distant solar system.

More everyday items go under the microscope, revealing their production. How are objects such as gummy vitamins and boat trailers made?

More everyday items go under the microscope, revealing their production. How are objects such as water well cylinders and nonconductive tools made?

More everyday items go under the microscope, revealing their production. How are objects such as stand-up paddleboards and vacuum cleaners made?

More everyday items go under the microscope, revealing their production. How are objects such as detectable warning panels and model Stirling engines made?

Legend Of The Skinwalker. A recent creature sighting outside the infamous Skinwalker Ranch brings Chuck and the team to Utah to investigate. Evidence indicates it might be an alien.

SoCal Clusters. An ongoing series of UFO sightings off the Southern California coastline leads Chuck and the team to examine the link between UFOs, the military and the ocean.

The Alaskan Loch Ness Monster. A cryptozoologist investigates reports of a sea monster in Alaska. He reviews eyewitness accounts and examines never-before-seen video evidence.

Haunted Cabin And Giants. A woman claims to be under attack from an unseen force. Could it be linked to a Native American legend about a mysterious race of giants?

The Nest. Russell finds a structure he believes is a Bigfoot nest. Meanwhile, new team member Ronny joins Mireya in a race to the nest to collect DNA samples.

Red Eyes At Night. Mireya and Ronny make a powerful discovery in the area around the nest. And, Bryce suspects Bigfoot is emitting infrasound to repel the team from its territory.

Knights Templar In America. Justin and Emiliano investigate the possibility that the Knights Templar fled Europe and rebuilt their order in the Americas a century before Columbus.

Killing Meriwether Lewis. Justin and Emiliano investigate an international conspiracy involving the highest levels of government. Could this prove Meriwether Lewis was assassinated?

Chevrolet Corvette Stingray. The Chevrolet Corvette Stingray is a fast and lightweight update on an automobile legend from the 1960s. How is this impressive vehicle constructed?

KTM X-Bow. Heavily inspired by superbike designs, the KTM X-Bow is always road and race ready. What elements come together to create this powerful and innovative vehicle?

Tesla Model S. The Tesla Model S is a high-performance and high-speed vehicle with zero emissions. What goes into the construction of this innovative electric car?

Superformance MKIII. The Superformance MKIII draws inspiration from the Shelby Cobra to be an impressive combination of style and power. How is this stunning vehicle made?

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Lost World Of Atlantis. New discoveries on a strange Mediterranean island might offer new clues in the hunt for Atlantis. Experts reveal the apocalyptic event that destroyed it.

Jericho's Buried Secrets. New discoveries at the lost city of Jericho offer fresh evidence about the biblical battle that brought its impregnable walls down.

More everyday items go under the microscope. How are objects including mountain bike suspensions, grain dryers, surgical sutures made?

More everyday items go under the microscope. How are objects including downhill ski bindings, immersion parts washers and pencil sharpeners made?

More everyday items go under the microscope. How are objects including gingerbread house kits, toy figurines and bottom-rolling hangar doors made?

More everyday items go under the microscope. How are objects including traffic signal poles, chainsaw mining machines and coffee filters made?

Superperformance GT40. The Superperformance GT40 is a stunning recreation of the original that made racing history at Le Mans in 1966. How is this impressive vehicle made?

Porsche 918 Spyder. Ever wondered how a Porsche 918 Spyder is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Aston Martin Vanquish. Ever wondered how an Aston Martin Vanquish is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Zenvo ST 1. Ever wondered how a Zenvo ST 1 is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Justin braves the turbulent North Sea as he goes inside an offshore wind turbine to see how engineers are fixing a fault that could cause these structures to fall into the sea.

Justin's in for a bumpy ride as he investigates gigantic potholes in Louisiana. Later, he heads to London to get a sneak preview of London's vast Crossrail project.

Fire In The Cockpit. Experts investigate to see if the fire on Apollo 1 that killed three astronauts was a cover-up. Was it a tragic accident or part of the moon landing conspiracy?

NASA Nazi Conspiracy. Experts investigate if there was a conspiracy to fake the moon landing. Does a secret report suggest the Nazis were involved in the Apollo space programme?

More everyday items go under the microscope, revealing their production. How are objects including Formula F race cars made?

More everyday items go under the microscope, revealing their production. How are objects including vacuum excavators made?

More everyday items go under the microscope, revealing their production. How are objects such as electric boats and fencing foils made?

More everyday items go under the microscope. How are Grammy Awards, bicycle lights, above-ground pools and foldable solar panels made?

Bermuda Triangle Doomsday. Jeremy explores a new theory that could explain what happens in the world's most infamous stretch of water. Is this enduring mystery about to be solved?

NASA's Lost Treasure. Jeremy explores the loss of a NASA space capsule deep in the Atlantic. And, what is the underwater secret behind ship disappearances in the Devil's Sea?

Mysteries In The Alien Desert. The Nazca Lines are mysterious symbols that have been carved into the Atacama Desert more than a thousand years ago. How and why were they created?

Alcatraz's Hidden Secrets. Alcatraz is one of the most famous prisons in the world. Experts investigate its remarkable engineering secrets and why it was so hard to escape from.

The Dark Matter Enigma. Dark matter is one of the greatest mysteries of the universe facing scientists today. Could it be the cause of supermassive black holes and mass extinctions?

Strangest Alien Worlds. Astronomers have discovered bizarre planets very different to Earth out in the galaxy, but will we ever locate a planet similar to our own?

Did Earth Have Two Moons? A startling discovery suggests the hellish clouds of Venus may be the origin of life on Earth. Plus, did the Earth once have two moons?

Mystery Of The Invisible Planet. A probe mysteriously malfunctions as it enters deep space. Astronomers find evidence of an invisible planet in a distant solar system.

Superperformance GT40. The Superperformance GT40 is a stunning recreation of the original that made racing history at Le Mans in 1966. How is this impressive vehicle made?

Porsche 918 Spyder. Ever wondered how a Porsche 918 Spyder is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Aston Martin Vanquish. Ever wondered how an Aston Martin Vanquish is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Zenvo ST 1. Ever wondered how a Zenvo ST 1 is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

The Earth Next Door. Astronomers detect a potentially habitable planet tantalizingly close to Earth. A chance discovery at NASA reveals a top secret military space program.

Curse Of The Full Moon. Two cosmonauts fight for their lives, trapped inside a capsule in a frozen lake. NASA astronomers are spooked when the full moon affects their experiments.

Did Earth Have Two Moons? A startling discovery suggests the hellish clouds of Venus may be the origin of life on Earth. Plus, did the Earth once have two moons?

Curse Of The Carnivore. Clayton and his team prepare to flip a 20,000-lb carnivore fossil from the earth. Mike hunts for a duckbill skull and Jared uncovers an ancient reptile.

Shots Fired. Clayton must haul his 20,000-lb dinosaur fossil to a lab for analysis. The Harris-Bolan clan chases poachers off their land and Jared makes a final bid to make money.

CIA's Secret Space War. Confidential CIA files reveal a secret war for space between America and the Soviets. And, experts investigate American espionage during the Apollo programme.

Killing Armstrong. Experts investigate the Lunar Landing Research Vehicle that nearly killed Neil Armstrong during training. Some believe this proves why the moon landing is fake.

Cosmic Scrap. More than 100 million pieces of small space debris are floating around the Earth. A big collision between two of these objects in low Earth orbit could be catastrophic.

Little Green Men. Aliens could be lethal killers who want to invade and plunder our world. A team of experts investigate extra-terrestrial beings and their threat to human life.

Dark Star. Until recently, black holes were only theoretical. Now, scientists know that millions exist and some of them have the potential to be lethal to earth.

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?

How do they make the distinctive Borsalino hat worn by Indiana Jones? And, how do they make a bicycle which can fold up to a tenth the size of a regular bike?

How do they make the world's most famous electric guitar, the Fender Stratocaster? And, how do they make Swedish fermented cod roe Kalles caviar?

It's been tipping over for 800 years - what's the gravity-defying magic behind Pisa's leaning tower? And, how are chocolate digestive biscuits manufactured?

How did the ancient Greeks invent parchment with techniques still used today? And how do they make shuttlecocks, the fasting moving object in sport?

In Cremona, how do they make modern violins that sound as good as the legendary Stradivarius? And, how do they build houses with volcanic rock?

Conspiracy Of The Lost Tapes. The NASA tapes that recorded the Apollo 11 moon landing are missing. Experts examine whether their disappearance is part of a cover-up.

The Hollywood Conspiracy. Some think the waving US flag on the moon proves that NASA faked the lunar landing. Experts' quest for the truth leads to some of Hollywood's biggest names.

Mystery Of The Invisible Planet. A probe mysteriously malfunctions as it enters deep space. Astronomers find evidence of an invisible planet in a distant solar system.

Mars' Deepest Secret. A malfunction on the ISS could poison its crew with a deadly gas. A startling image taken by a NASA probe points to evidence that life could exist on Mars.

Cosmic Scrap. More than 100 million pieces of small space debris are floating around the Earth. A big collision between two of these objects in low Earth orbit could be catastrophic.

Little Green Men. Aliens could be lethal killers who want to invade and plunder our world. A team of experts investigate extra-terrestrial beings and their threat to human life.

Dark Star. Until recently, black holes were only theoretical. Now, scientists know that millions exist and some of them have the potential to be lethal to earth.

Lost Kingdom Of Kush. Pyramids in the deserts of Sudan are the ruins of a powerful lost civilisation that rivalled Egypt. However, why are the pyramids there and who built them?

Hunt For The First Pyramid. Saqqara is the site of the first pyramid - the Step Pyramid of Djoser. Experts use cutting-edge technology to explore why the Egyptians built pyramids.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Mystery Of The Invisible Planet. A probe mysteriously malfunctions as it enters deep space. Astronomers find evidence of an invisible planet in a distant solar system.

Mars' Deepest Secret. A malfunction on the ISS could poison its crew with a deadly gas. A startling image taken by a NASA probe points to evidence that life could exist on Mars.

Curse Of The Gas Giant. Jupiter is hotter than it should be, and scientists are baffled. There's a strange discovery on Mars and detectives ask for NASA's help on a murder cold case.

We Got Skull. Clay returns to his ranch in Montana to hunt for quick finds at Old Faithful. In Wyoming, Mike and his team continue excavating their triceratops site.

Nano Or T-Rex. In Montana, Clayton prepares to learn if his carnivore skeleton belongs to a T-Rex or Nanotyrannus. In Wyoming, Mike and Aaron dig at a promising new site.

Conspiracy Of The Lost Tapes. The NASA tapes that recorded the Apollo 11 moon landing are missing. Experts examine whether their disappearance is part of a cover-up.

The Hollywood Conspiracy. Some think the waving US flag on the moon proves that NASA faked the lunar landing. Experts' quest for the truth leads to some of Hollywood's biggest names.

Big Sleep. How will the universe end? Experts discuss the many possible ways that could spark the beginning of the end for the universe including when and why it would happen.

Is Privacy Dead? Humans now live under a global surveillance system that solves crime and uncovers terrorist plots. What impact does this security have on privacy?

Can We Cheat Death? Scientists are learning the mechanisms of aging and getting closer to a world where death is curable. Are humans about to enter a new age of immortality?

How does a Dutch company make the world's fastest superyachts? And, how do they make new space suits that weigh and cost the fifth of the previous design?

How do planes take off and land on a beach at one of the world's oldest airports? And, how do they hand-make the national dress of Bavaria, lederhosen?

How do they catch the world's largest lobsters? How do they build the iconic chesterfield sofa? And, how do they capture the world's sharpest TV pictures?

How do they take a car from Siberia to the Sahara without leaving Germany? Plus, how do they hand craft a baseball glove that will last a lifetime?

How do they print over 10 million copies a day of the world's best-selling newspaper? How do they knit 32,000 pairs of socks a day at South Africa's biggest sock factory?

How do they produce 99% of America's raisins in California's San Joaquin Valley? Plus, how do they make the world's oldest type of paper?

Big Bam Boom. Kevin Delaney and his team of experts show how explosive hydrogen peroxide can really be. Plus, combining ping pong balls with pressurised liquid nitrogen.

Rocket Blast. Kevin and his team of experts explore the amazing science behind rockets, using unconventional materials to power homemade projectiles to incredible heights.

Fire Tornado. Kevin and the team take to the streets to create a massive, swirling fire tornado out of kerosene. Plus, they dazzle onlookers with a rainbow coloured flamethrower.

Flying Saucers. Kevin and his team of experts use a race car to put a new twist on an old magic trick, and show what it takes to build homemade hovercraft.

FBI Bomb Squad. Tory Belleci and Streetbike Tommy meet experts from the FBI's bomb squad to reveal the forensics and technology required to investigate deadly bomb threats.

Black Powder Blast. Tory Belleci and Streetbike Tommy meet experts of the battlefield who recreate black powder blasts from the Civil War and experiment with this deadly explosive.

Big Sleep. How will the universe end? Experts discuss the many possible ways that could spark the beginning of the end for the universe including when and why it would happen.

Is Privacy Dead? Humans now live under a global surveillance system that solves crime and uncovers terrorist plots. What impact does this security have on privacy?

Can We Cheat Death? Scientists are learning the mechanisms of aging and getting closer to a world where death is curable. Are humans about to enter a new age of immortality?

Lost City Of Babylon. Archaeological investigations unearth the secrets of the long-lost city. New evidence reveals what Babylon looked like and what caused its downfall.

Hidden Secrets Of The Twin Towers. The World Trade Centre's iconic twin towers were an engineering marvel. Experts use pioneering technology to examine their secret history.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

The Sun's Evil Twin. Witnesses photograph two suns in the sky over Indonesia - is this the first sighting of the Sun's dark twin that could spell imminent danger to Earth?

Secret Aliens. Geologists discover alien deposits on the Earth's surface - and the answer could shed light on the cause of the greatest extinction in its history.

Stonehenge On Mars. A NASA probe captures an image of a familiar structure on the surface of Mars. What made 'Mars Henge'? Plus, how did an Apollo astronaut get sick on the Moon?

The Alien Mysteries. Half of the star systems in our galaxy have two stars, possibly creating habitats for alien life. Here, binary stars fling entire worlds into space.

Mod Fathers. Turns the spotlight on inventors who build astonishing creations in their homes - including a precision drone-catcher that transforms into a vacuum-powered railway.

World Biggest Car Factory. Richard explores Volkswagen's giant car plant in Wolfsburg, Germany. He checks out its futuristic technology and discovers how this mega-factory works!

The C-5M Super Galaxy. Climbing inside its inner workings he learns why it's a record breaker.

Is Gun Crime A Virus? Every 17 minutes, someone is killed with a gun. Is this an epidemic that scientists can cure?

Can We All Become Geniuses? Genius lies somewhere in the human mind. Might we augment our biology with technology to unlock the genius inside us all?

Is The Force With Us? New research is revealing a hidden force in the universe instantly linking every place in the world and joining the future with the past.

How do they use ancient techniques and modern technology to produce thousands of tonnes of barbecue charcoal? How do they cook up Japan's soba noodles?

How do they grow America's only freshwater pearls in Tennessee? Plus, what secrets are behind how the world's sharpest knives are made?

How do they turn root vegetables into sweet sugar? How do they make feather dusters? And, how do they make billions of balloons to keep parties popping?

How do they turn trees into pencils? How do they make liquorice? And, how do they use traditional techniques to weave the world's most fashionable lace?

How does one family in America make three quarters of the world's peppermint oil? Plus, how are performance-enhancing tennis racquets made?

How do they make a trombone? How do they make traditional Spanish wineskins? Plus, how do they turn smelly muddy peat into rejuvenating face cream?

Human Bait. Mireya and Ronny return to where they heard whistles and saw glowing eyes. Meanwhile, Mireya agrees to be bait in order to lure out Bigfoot.

Bigfoot Moon Rising. After Russell records thermal imagery that he believes is Bigfoot, Mireya and Ronny have a terrifying experience when they realise they're not alone.

Mystery Of The American Maya. Justin and Emiliano scan the Florida landscape and dive in waters teaming with alligators as they try to unravel the mystery of the Mayan empire's fate.

Finding The Fountain Of Youth. Hidden messages in a 500-year-old map lead Justin and Emiliano to Florida and Arkansas in search of a source of water said to grant eternal life.

Is Gun Crime A Virus? Every 17 minutes, someone is killed with a gun. Is this an epidemic that scientists can cure?

Can We All Become Geniuses? Genius lies somewhere in the human mind. Might we augment our biology with technology to unlock the genius inside us all?

Is The Force With Us? New research is revealing a hidden force in the universe instantly linking every place in the world and joining the future with the past.

Secrets Of The Black Pyramid. With special access to a hi-tech archaeological investigation, experts reveal why Egypt's Black Pyramid collapsed before its pharaoh was buried there.

Egypt's Sunken Treasures. A cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

CIA's Secret Revenge. When the Soviet Union unveils its own space shuttle, the CIA hatches a revenge plot. Plus, a missing nuclear weapon could threaten a NASA base in the Arctic.

Saturn's Death Star. A NASA spacecraft suffers a malfunction in orbit - can its lone astronaut make it back to Earth? Plus, new evidence emerges over Yuri Gagarin's mysterious death.

Planet Of The Metal Aliens. Experts investigate if a nearby exoplanet could be the home to an alien civilization after a new discovery confirms that life can thrive on such a world.

Strangest Things. A look at some of the most mind-blowing footage experts have seen - including see-through animals, algae-powered motorcycles and human sized chickens.

Supernatural. A showcase of Mother Nature's most amazing moments, featuring a man eaten alive by leeches and another who pulls a car with his eye sockets.

the Kölnbrein Dam, which can hold back an incredible 200 million tonnes of water!

Mega Ship. Richard joins the crew of one of the biggest moving objects on earth, the Marie Maersk container ship, on her continuous 28,000-mile voyage from Asia to Europe.

Can We Hack The Planet? Scientists are unlocking the secrets of nature in order to tame the elements, harness energy, and even control life. Can we save humanity in time?

Mystery Of Planet 9. Scientists have discovered evidence of a mysterious ninth planet on the very edge of our solar system, could its moons support extra-terrestrial life?

The Universe's Deadliest. The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe?

How do they make the perfect surfboard for catching waves? Plus, how do they turn Danish cream into one of the world's favourite butters?

How are million-dollar racehorses transported across the world to their new owners? Plus, what creative methods are used to photograph food?

How do they produce a million tonnes of stainless steel? How do they keep cash safe with an uncrackable lock? How do they make traditional Indian sugar?

How do they harvest three thousand tonnes a year of the world's weirdest seafood delicacy? Plus, how do they protect water polo players from injury?

How do they build one of the world's most exclusive luxury cars? How do they make a referee's whistle that can be heard above 50,000 screaming fans?

How do they turn English willow into cricket bats for India's finest cricketers? And, how do they construct the foundations for tall buildings?

A look at how everyday items including steel pulleys and acetate eyewear are made, revealing the materials and unique production processes used in making them.

More everyday items go under the microscope, revealing their production. How are objects including gyroscopic stabilizers made?

More everyday items go under the microscope, revealing their production. How are objects including shuffleboard tables made?

More everyday items go under the microscope, revealing their production. How are objects including air hockey tables made?

KTM X-Bow. Heavily inspired by superbike designs, the KTM X-Bow is always road and race ready. What elements come together to create this powerful and innovative vehicle?

Tesla Model S. The Tesla Model S is a high-performance and high-speed vehicle with zero emissions. What goes into the construction of this innovative electric car?

Superformance MKIII. The Superformance MKIII draws inspiration from the Shelby Cobra to be an impressive combination of style and power. How is this stunning vehicle made?

Koenigsegg One:1. The Koenigsegg One:1 is a record-breaking mega car that has a perfect power to weight ratio. How is this cleverly designed car put together?

Can We Hack The Planet? Scientists are unlocking the secrets of nature in order to tame the elements, harness energy, and even control life. Can we save humanity in time?

Mystery Of Planet 9. Scientists have discovered evidence of a mysterious ninth planet on the very edge of our solar system, could its moons support extra-terrestrial life?

The Universe's Deadliest. The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe?

Lost World Of Atlantis. New discoveries on a strange Mediterranean island might offer new clues in the hunt for Atlantis. Experts reveal the apocalyptic event that destroyed it.

Jericho's Buried Secrets. New discoveries at the lost city of Jericho offer fresh evidence about the biblical battle that brought its impregnable walls down.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Did Aliens Nuke Mars? A strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago - could this be true?

Killer Rocks. Earth is hit by 100 tons of rock from space every day. Most burn up in the atmosphere, but a single rock wiped out the dinosaurs. Could it happen again?

Death Ray. When a massive star dies it can direct a blast of radiation that would obliterate life of earth. What are the chances of this event occurring?

Owned It. A countdown of the top 20 internet legends. From lighting matches with bullets to kayaking in the snow, this features only the smartest and bravest human-kind has to offer!

Ultimate Upgraders. Focuses on creative garage innovators taking inventions to the next level, from using fire to charge phones to creating the world's fastest electric dragster.

World's Longest Railway Tunnel. Richard ventures 2km beneath the Alps into the world's longest underground railway connection, the Brenner Base Tunnel, riding some giant machines!

Super Stadium. Richard explores the huge Tottenham Hotspur Football Stadium in London. He explores a pitch that splits and rolls away and takes a terrifying walk on the stadium roof!

The Secret Origin. Supermassive black holes are so large they devour stars and shape galaxies. The latest science may answer why they grow so large.

Life & Death On The Red Planet. Once there was life on Mars - but scientists believe a series of devastating mass extinctions transformed a watery planet into a desert.

Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets.

How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows?

How do they collect millions of real birds' nests to make birds' nest soup? Plus, how do they use aerospace technology to make rowers go faster?

How do they quadruple the power of the world's biggest engines with the most powerful turbochargers? How do they build new roads from old waste plastic?

How do they harness the wind to power a racing yacht to Olympic gold? How do they make a sword fit for an officer at the world's largest sword factory?

How do they make the amplifier used by rock legends, the famous Marshall amp? Plus, how do they turn wet clay into frost-proof garden pots?

How do they clean the world's tallest twin towers? How do they make a jigsaw where every piece is unique? How do they craft Olympic level hockey sticks?

Phil Torres and Dr. Tori Herridge go on a journey to Siberia for the biggest ever Ice Age dig, unearthing a treasure trove of animals buried in the ground for thousands of years.