Maserati Quattroporte. Ever wondered how a Maserati Quattroporte made? Join the How It's Made crew as they go to its birthplace, explore the inner workings and its gorgeous exterior.
06:36 How It's Made: Dream Cars 1/7s.
Weismann MF5. Ever wondered how high-end cars are manufactured? Join the crew as they explore the origins, inner workings and technical specs of some of the world's finest cars.
07:00 How It's Made 17/2s.
Cheese Graters/Hot Sauce. Ever wondered how everyday items like silver jewellery and traditional Mexican chairs are made? Find out how these familiar objects are formed.
07:26 How It's Made 17/3s.
Game Calls/Mayonnaise. Ever wondered how everyday items like traditional razor blades and butterfly safety razors are made? Find out how these familiar objects are formed.
07:50 How It's Made 17/4s.
Corn Tortillas/Crankshafts. Ever wondered how everyday items like bush planes and aluminium bike wheels are made? Find out how these familiar objects are formed.
08:14 How It's Made 17/5s.
Folding Kayaks/Pinatas. Ever wondered how everyday items such as garbage trucks and ceramic composite brake discs are made? Find out how these familiar objects are formed.
08:38 How It's Made 17/6s.
Rolled Wafers/Wood Pellets. Ever wondered how everyday items such as class and championship rings are made? Find out how these familiar objects are formed.
09:02 How the Universe Works 4/3s.
Earth: Venus's Evil Twin. Like our planet, Venus started with water. But it was destroyed by too much sun, and rampant volcanism. Is this a vision of Earth's future?
09:50 How the Universe Works 4/4s.
Dawn of Life. The journey of the atoms that make up your body spans time and space. But how came these chemicals building blocks together to create life?
10:38 How the Universe Works 4/5s.
Monster Black Hole. Go on a terrifying and fascinating journey to infinity and beyond, to the heart of the universe's ultimate enigma: a supermassive black hole.
11:26 Extreme Engineering 6/8s.
Gotthard Base Tunnel. Danny investigates the Gotthard Base Tunnel; costing 18 billion dollars, it's the longest in the world, making journeys through the Alps three times faster.
12:14 Extreme Engineering 6/9s.
Abu Dhabi Central Market. Danny explores Abu Dhabi's Central Market - a hub for an emerging world destination, complete with offices, parks, shops, and hotels.
13:02 How It's Made 22/12s.
Racing Leathers, Wood Rocking Chairs. More everyday items are put under the microscope as we discover how racing leathers are manufactured and wood rocking chairs are made.
13:26 How It's Made 22/13s.
Mountain Bikes, Lever Action Rifles. More everyday items are put under the microscope as we discover how mountain bikes are produced and lever action rifles are manufactured.
13:50 How It's Made 22/14s.
Saunas, Wheelchair Lifts. More everyday items are put under the microscope as we discover how saunas are produced and wheelchair lifts are manufactured.
14:14 How It's Made 22/15s.
Upright Pianos, Flags. More everyday items are put under the microscope as we discover how upright pianos are manufactured and flags are produced.
14:38 How It's Made 22/16s.
Oil Lamps, Chocolate Mints. More everyday items are put under the microscope as we discover how oil lamps are manufactured and chocolate mints are produced.
15:02 How It's Made 22/17s.
Skeletal Replicas, Ice Buckets. More everyday items are put under the microscope as we discover how skeletal replicas are manufactured and ice buckets are made.
15:26 Secrets Of The Underground 1/8s.
Great Lakes Bermuda Triangle. Rob Nelson heads to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.
16:14 Secrets Of The Underground 2/1s.
Legend Of The Nazi Gold. A legendary train filled with stolen Nazi gold is said to be hidden in Poland. Rob and Stefan explore deep under the earth's surface to uncover the truth.
17:02 How the Earth Works 1/2s.
Can Krakatoa Stop Time?. An active volcano with the power to plunge the whole world into a brutal dark age is rising from the sea. Will it cataclysmically erupt once again?
17:50 How the Earth Works 1/3s.
Japanese Death Match. Liz and Martin visit Japan, to witness the battle that rages between the people and the volcanoes, earthquakes and tsunamis that threaten them on a daily basis.
18:40 How the Earth Works 1/4s.
Will Europe Burn in Hell?. Liz Bonnin and Martin Pepper investigate the volcano Mount Vesuvius. During the research, they discover another deadly super volcano, Campi Flegrei.
19:30 How It's Made 17/7s.
Speed Skates/Synthetic Rubber. Ever wondered how everyday items such as cocoa beans and bulk chocolate are made? Find out how these familiar objects are formed.
19:55 How It's Made 17/8s.
Steering Wheels/Fuel Lines. Ever wondered how everyday items such as apple pies and household radiators are made? Find out how these familiar objects are formed.
20:20 How It's Made 17/9s.
Whips/Pizza Makers. Ever wondered how everyday items such as incense cones and model jet engines are made? Find out how these familiar objects are formed.
20:45 How It's Made 17/10s.
Heather Gems/Instant Film. Ever wondered how everyday items such as beet sugar and electric roadsters are made? Find out how these familiar objects are formed.
21:10 How It's Made 17/11s.
Underwater Robots/Lasagne. Ever wondered how everyday items such as band saws, ski and trekking poles are made? Find out how these familiar objects are formed.
21:35 How It's Made 17/12s.
Wood Beams/SUVs/Veggie Burgers. Ever wondered how more everyday items such as wood boring augers are made? Find out how these familiar objects are formed.
22:00 The Explosion Show 1/5s.
Fighting Fire With Fire. Tory Belleci and Streetbike Tommy meet the expert firefighters who use explosive technology to battle dangerous infernos. Is more fire the best antidote?
22:50 Savage Builds 1/1s.
Iron Man. Adam Savage makes his own Iron Man armour suit made from titanium. He wants it to be bulletproof, suitable for flying and it needs to be able to survive an explosion.
23:40 Arctic Rescue 1/3s.
Bracing for the Storm. A storm warning is in effect for Fairbanks, making driving on the treacherous roads even more dangerous. The recovery teams prepare for emergencies.
00:30 Arctic Rescue 1/4s.
The Thaw. Warm weather has arrived in Fairbanks and people are taking advantage of it. But the recovery teams know that a rise in temperature does not guarantee safety on the roads.
01:20 How the Universe Works 5/7s.
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?
02:10 How the Universe Works 5/8s.
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?
03:00 How the Earth Works 1/1s.
Will Hawaii Sink LA?. Liz and Martin travel to Hawaii to investigate how evidence of catastrophic events in its geological past reveals a legacy of destruction.
03:48 Mysteries of the Missing 1/6s.
Lost Colony Of Roanoke. The Roanoke colony vanished without a trace, and centuries later, it remains one of history's greatest unsolved mysteries. Can new evidence reveal its fate?
04:36 Mysteries of the Missing 1/7s.
The Men Who Beat Alcatraz. In 1962, three convicts try to escape from Alcatraz prison. Officials believe the men drowned, but a scientific experiment suggests they made it to shore.
05:24 How It's Made: Dream Cars 1/8s.
Lamborghini Aventador. Ever wondered how a Lamborghini Aventador is made? Join the crew as they go to its birthplace and explore its gorgeous exterior.
05:48 How It's Made: Dream Cars 1/9s.
Jaguar F-Type. Ever wondered how a Jaguar F-Type is made? The team goes to its birthplace, revealing the inner workings and gorgeous exterior.
Bentley Continental GT Speed. Ever wondered how a Bentley Continental GT Speed is made? The team goes to its birthplace, revealing the inner workings and gorgeous exterior.
06:36 How It's Made: Dream Cars 2/1s.
Alpha Romeo 4C. The How It's Made crew visit the birthplace of the Alpha Romeo 4C, revealing its inner workings and gorgeous exterior.
07:00 How It's Made 17/8s.
Steering Wheels / Fuel Lines. Ever wondered how everyday items such as apple pies and household radiators are made? Find out how these familiar objects are formed.
07:26 How It's Made 17/9s.
Whips / Pizza Makers. Ever wondered how everyday items such as incense cones and model jet engines are made? Find out how these familiar objects are formed.
07:50 How It's Made 17/10s.
Heather Gems / Instant Film. Ever wondered how everyday items such as beet sugar and electric roadsters are made? Find out how these familiar objects are formed.
08:14 How It's Made 17/11s.
Underwater Robots / Lasagne. Ever wondered how everyday items such as band saws, ski and trekking poles are made? Find out how these familiar objects are formed.
08:38 How It's Made 17/12s.
Wood Beams / SUVs / Veggie Burgers. Ever wondered how more everyday items such as wood boring augers are made? Find out how these familiar objects are formed.
09:02 How the Universe Works 4/6s.
Forces of Mass Construction. Across the Universe is a mysterious force that you can't see or touch, but it affects everything and is everywhere. But how exactly does magnetism work?
09:50 How the Universe Works 4/7s.
Secret History of the Moon. The origin of the Moon is a great planetary mystery in itself, but what lies beneath its surface could hold the key to future space travel.
10:38 How the Universe Works 4/8s.
The First Oceans. Water defines our living blue planet - but how lucky are we to have a home that's warm and wet? Follow the origin of water itself to the birth of our oceans.
11:26 Extreme Engineering 6/10s.
Port of Rotterdam. Danny explores the Port of Rotterdam, where crews are in the middle of the largest Earth-moving project in history, to triple the port's capacity.
12:14 Extreme Engineering 7/1s.
Rebuilding New York City's Subway. Danny Forster investigates the most important public works project in New York City's history, the $15 billion expansion of the subway system.
13:02 How It's Made 22/19s.
Scuba Lights, Convertible Sandals. More everyday items are put under the microscope as we discover how scuba lights are manufactured and convertible sandals are produced.
13:26 How It's Made 22/20s.
Wood Windows, Woven Cashmere. More everyday items are put under the microscope as we discover how wood windows are manufactured and woven cashmere is produced.
13:50 How It's Made 22/21s.
Gas Barbecues, Mattress Pads. More everyday items are put under the microscope as we discover how gas barbecues are manufactured and mattress pads are produced.
14:14 How It's Made 22/22s.
Skateboards, Braided Pastry. More everyday items are put under the microscope as we discover how skateboards are manufactured and braided pastry is produced.
14:38 How It's Made 22/23s.
Plasma Gems, Special Effects Snow. More everyday items are put under the microscope as we discover how plasma gems are manufactured and special effects snow is made.
15:02 How It's Made 22/24s.
Three-Wheel Electric Bikes, Skin Cream. More everyday items are put under the microscope as we discover how three-wheel electric bikes are manufactured and skin cream is made.
15:26 Secrets Of The Underground 2/2s.
King Solomon's Treasures. Priceless gold and silver artefacts are believed to be lost in King Solomon's hidden mines. Rob and Stefan search for the legendary treasure.
16:14 Secrets Of The Underground 2/4s.
Doomsday Volcano Mystery. Beneath the densely populated city of Naples lies a looming threat. A super volcano may be on the verge of erupting and cause an apocalyptic catastrophe.
17:02 How the Earth Works 1/5s.
Will Iceland Poison the Skies?. Martin and Liz explore Iceland to see if its volcanoes could cause chaos in the future. Later, Martin samples an insane motorsport on ashy slopes.
17:50 How the Earth Works 1/6s.
Asteroid Armageddon. Martin and Liz investigate a giant asteroid impact that may have wiped out the Dinosaurs. Later, Martin experiences the power of a NASA supergun.
18:40 How the Earth Works 1/7s.
The Rockies Built the Atom Bomb. Biologist Liz and geologists Martin find out the answers to a series of scientific quandaries. What link do the Rockies have to the atomic bomb?
19:30 How It's Made 17/13s.
Turbochargers / Enchiladas. Ever wondered how everyday items such as watches are made? Find out how these familiar objects are formed.
19:55 How It's Made 23/1s.
Grammy Awards, Bike Lights, Above-Ground Pools. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
20:20 How It's Made 23/2s.
LED stage Lights, Apple Cider. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
20:45 How It's Made 23/3s.
Fishing Line, Industrial Mixers. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
21:10 How It's Made 23/4s.
Storage Sheds, Industrial Fans. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
21:35 How It's Made 23/5s.
Concrete Walls, 3D Printers. How are precast concrete walls, 3D printers, telescopic cranes, and kerosene lamp burners made?
22:00 Expedition Unknown 5/9s.
Treasure Of The Copper Scroll. Josh investigates a Dead Sea Scroll etched with riddles that could lead to an ancient treasure. His search takes him into the Jordanian desert.
22:50 Expedition Unknown 5/10s.
Chasing The Fortune Of Sir Francis Drake. Josh searches land and sea for Sir Francis Drake's lost fortune. He hunts for a lost cache of Spanish gold and the remains of Drake himself.
23:40 Expedition X 2/10s.
The Beast Of Bray Road. Josh, Jess and Phil are looking for a werewolf-like creature in Wisconsin. Eyewitness accounts have led them on their quest to a remote forest.
00:30 Expedition X 2/11s.
Aliens Of The Deep. Video captured by the U.S. Navy triggers Jess and Phil's investigation into mysterious, supersonic craft flying above the waters off California's Catalina Island.
01:20 How the Earth Works 1/2s.
Can Krakatoa Stop Time?. An active volcano with the power to plunge the whole world into a brutal dark age is rising from the sea. Will it cataclysmically erupt once again?
02:10 How the Earth Works 1/3s.
Japanese Death Match. Liz and Martin visit Japan, to witness the battle that rages between the people and the volcanoes, earthquakes and tsunamis that threaten them on a daily basis.
03:00 How the Earth Works 1/4s.
Will Europe Burn in Hell?. Liz Bonnin and Martin Pepper investigate the volcano Mount Vesuvius. During the research, they discover another deadly super volcano, Campi Flegrei.
03:48 Mysteries of the Missing 1/8s.
Flight Of Terror. In 2009, an Air France flight disappears, but could this tragedy happen again? After a huge area of Siberian forest is destroyed, it's a race to find the culprit.
04:36 Secrets Of The Underground 1/1s.
American Stonehenge. Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.
05:24 How It's Made: Dream Cars 2/2s.
Pagani Huayra. Join the How It's Made crew as they visit the birthplace of the Pagani Huayra, revealing its inner workings and gorgeous exterior.
05:48 How It's Made: Dream Cars 2/3s.
Caterham Seven. Join the How It's Made crew as they visit the birthplace of the Caterham Seven, revealing its inner workings and gorgeous exterior.
Bugatti Veyron. Join the How It's Made crew as they visit the birthplace of the Bugatti Veyron, revealing its inner workings and gorgeous exterior.
06:36 How It's Made: Dream Cars 2/5s.
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.
07:00 How It's Made 23/1s.
Grammy Awards, Bike Lights, Above-Ground Pools. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
07:26 How It's Made 23/2s.
LED stage Lights, Apple Cider. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
07:50 How It's Made 23/3s.
Fishing Line, Industrial Mixers. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
08:14 How It's Made 23/4s.
Storage Sheds, Industrial Fans. Ever wondered how everyday items are made? More common items are put under the microscope to find out.
08:38 How It's Made 23/5s.
Concrete Walls, 3D Printers. How are precast concrete walls, 3D printers, telescopic cranes, and kerosene lamp burners made?
09:02 How the Universe Works 5/1s.
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?
09:50 How the Universe Works 5/2s.
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?
10:38 How the Universe Works 5/3s.
Black Holes: 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.
11:26 Extreme Engineering 7/2s.
London's Olympic Aquatic Stadium. Danny Forster visits the London Aquatics Centre, which hosted 44 swimming and diving events during the 2012 Olympics.
12:14 Extreme Engineering 7/3s.
Constructing Serbia's Longest Bridge. Danny Forster travels to Belgrade to see how the Sava River Bridge, the world's largest single pylon cable-stayed bridge, is progressing.
13:02 How It's Made 22/25s.
Wild West Holsters, Water Video Housings. More everyday items are put under the microscope as we discover how Wild West holsters are manufactured and water video housings are made.
13:26 How It's Made 22/26s.
Wood Garage Doors, Animatronic Dinosaurs. More everyday items are put under the microscope as we discover how wood garage doors are manufactured and animatronic dinosaurs are made.
13:50 How It's Made 20/1s.
Native Healing Drums, Raisins, Stereoscopic Viewers, Ribbon Microphones. Find out how Native Healing Drums, Raisins, Stereoscopic Viewers, and Ribbon Microphones are made.
14:14 How It's Made 20/2s.
Horse Bits, Oat Cereal, Turquoise Jewelry. Find out how horse bits, oat cereal, turquoise jewellery, and Electric Scooters are made.
14:38 How It's Made 20/4s.
Stagecoaches, Road Reflectors. Find out how stagecoaches, road reflectors, fire baked pottery, and custom motorcycle tanks are made.
15:02 How It's Made 20/6s.
Tissues, Travel Trailers, Slippers, Motorcycle Helmets. Find out how tissues, travel trailers, slippers, and motorcycle helmets are made.
15:26 Secrets Of The Underground 2/5s.
Atlantis In America. New theories claim the sunken city of Atlantis may have been in the Americas. From the Bahamas to an ancient site in Louisiana, Rob and Stefan seek the evidence.
16:14 Secrets Of The Underground 2/6s.
Mystery Of The Ice Cave. A strange cave freezes in summer and melts in winter, and a huge sand dune swallows a small child in an instant. Rob and Stefan explore these mysteries.
17:02 How the Earth Works 1/8s.
Ice Age or Hell Fire?. Martin and Liz travel from the glaciers of Canada to the heat of Death Valley to reveal evidence of the most powerful geological events - Ice Ages.
17:50 NASA's Unexplained Files 1/1s.
Episode 1. When astronaut Leroy Chao's high-risk spacewalk is interrupted by bright lights flying past, it sparks a major investigation. Could alien life forms be to blame?
18:40 NASA's Unexplained Files 1/2s.
Alien Death Ray. The Viking Lander may have found life on Mars. Meanwhile, how can a starship be spotted in the Aurora Borealis? And what exactly are NASA's mysterious Moon Pigeons?
19:30 How It's Made 23/6s.
Car Headlamps, Directional Drills, Pet Combs. How are car headlamps, directional drills, and combs made? And how is stained glass restored?
19:55 How It's Made 23/7s.
Handcrafted Skis, Septic Tanks. How are handcrafted skis, septic tanks, hydroformed chassis pants, and aquarium windows made?
20:20 How It's Made 23/8s.
Zip Line Brakes, Silk Fibre Lamps. How are zip line brakes, silk fibre lamps, round balers, and comfort shoes made?
20:45 How It's Made 23/9s.
Armoured Vehicles, Tension Fabric Buildings. How are armoured vehicles, tension fabric buildings, rowers, and sculpture enlargements made?
21:10 How It's Made 23/10s.
Mountain Bike Suspensions, Surgical Sutures. How are mountain bike suspensions, surgical sutures, grain dryers, and frying pans made?
21:35 How It's Made 23/11s.
Ski Bindings, Immersion Parts Washers, Mine Ventilation. How are downhill ski bindings, immersion parts washers, mining ventilation and pencil sharpeners made?
22:00 How It's Made 24/22s.
Endoscopes, Megaphones, And Uranium. Ever wondered how everyday items are made? More common items including endoscopes, megaphones and uranium go under the microscope.
22:25 How It's Made 24/23s.
Hollow Disk Pumps, Palm Sugar, And Yachts. Ever wondered how everyday items are made? More common items including hollow disk pumps and yachts go under the microscope.
22:50 How It's Made 24/24s.
Collagen, Digital-To-Analog Converters, Wood Moldings, And Plier Staplers. How are everyday objects made? Common items including collagen and plier staplers go under the microscope.
23:15 How It's Made 24/25s.
Thai Barbecues, Diving Masks & Fins, And Bassoons. How are everyday objects made? Common items including Thai barbeques, diving masks and fins, and bassoons go under the microscope.
23:40 How Do They Do It? 14/20s.
Episode 20. 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?
00:05 How Do They Do It? 16/1s.
Episode 1. How does one family in America make three quarters of the world's peppermint oil? Also, how do they make state-of-the-art, performance-enhancing tennis rackets?
00:30 How Do They Do It? 16/2s.
Episode 2. How do they make a trombone? How do they make traditional Spanish wineskins? And, how do they turn smelly muddy peat into rejuvenating face cream?
00:55 How Do They Do It? 16/3s.
Episode 3. Over 35 million people love to surf, so how do they make the perfect board for catching waves? Plus, the world eats 10 million tonnes of butter a year - how do they do it?
01:20 How the Earth Works 1/5s.
Will Iceland Poison the Skies?. Martin and Liz explore Iceland to see if its volcanoes could cause chaos in the future. Later, Martin samples an insane motorsport on ashy slopes.
02:10 How the Earth Works 1/6s.
Asteroid Armageddon. Martin and Liz investigate a giant asteroid impact that may have wiped out the Dinosaurs. Later, Martin experiences the power of a NASA supergun.
03:00 How the Earth Works 1/7s.
The Rockies Built the Atom Bomb. Biologist Liz and geologists Martin find out the answers to a series of scientific quandaries. What link do the Rockies have to the atomic bomb?
03:48 Secrets Of The Underground 1/2s.
Mystery Of The Serpent Mound. Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound.
04:36 Secrets Of The Underground 1/3s.
Capone's Escape Tunnels. Rob Nelson investigates rumours of secret underground escape route used by infamous gangster Al Capone. Plus, mysterious earthen mounds in Washington State.
05:24 How It's Made: Dream Cars 2/6s.
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.
05:48 How It's Made: Dream Cars 2/7s.
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?
06:36 How It's Made: Dream Cars 2/9s.
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?
07:00 How It's Made 23/7s.
Handcrafted Skis, Septic Tanks. How are handcrafted skis, septic tanks, hydroformed chassis pants, and aquarium windows made?
07:26 How It's Made 23/8s.
Zip Line Brakes, Silk Fibre Lamps. How are zip line brakes, silk fibre lamps, round balers, and comfort shoes made?
07:50 How It's Made 23/9s.
Armoured Vehicles, Tension Fabric Buildings. How are armoured vehicles, tension fabric buildings, rowers, and sculpture enlargements made?
08:14 How It's Made 23/10s.
Mountain Bike Suspensions, Surgical Sutures. How are mountain bike suspensions, surgical sutures, grain dryers, and frying pans made?
08:38 How It's Made 23/11s.
Ski Bindings, Immersion Parts Washers, Mine Ventilation. How are downhill ski bindings, immersion parts washers, mining ventilation and pencil sharpeners made?
09:02 How the Universe Works 5/4s.
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.
09:50 How the Universe Works 5/5s.
Stars That Kill. Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets.
10:38 How the Universe Works 5/6s.
Secret History Of Pluto. Despite Pluto's appearance as a dark and frozen world, scientists are investigating whether there might be warm liquid water beneath the surface.
11:26 Extreme Engineering 7/4s.
Azerbaijan's Amazing Transformation. Azerbaijan is reinventing itself after decades as part of the Soviet Union. Danny Forster goes behind the scenes of Baku's construction projects.
12:14 Extreme Engineering 7/5s.
Drought-Proofing Australia. Danny heads to Melbourne, where after years of extreme droughts they are securing the future of the city's water supplies with a huge desalination plant.
13:02 How It's Made 20/7s.
U-Locks, Teepees, Croissants, Rolling Luggage. Find out how U-locks, teepees, croissants, and rolling luggage are made.
13:26 How It's Made 20/8s.
Prams, Factory-Built Homes, Wood Flutes, Bicycle Tyres. Find out how prams, factory-build homes, wood flutes, and bicycle tyres are made.
13:50 How It's Made 20/9s.
Thinning Shears, Wagon Wheels. Find out how thinning shears, wagon wheels, toaster pastries, and violin bows are made.
14:14 How It's Made 20/10s.
Iron Bathtubs, Hopi Kachina Dolls. Find out how bathtubs, Hopi Kachina dolls, mine truck engines, and memory cards are made.
14:38 How It's Made 20/11s.
1000th Product. More everyday items are put under the microscope, with a closer look at out how cycling shoes, yurts, marine plywood, and encaustic paint are made.
15:02 How It's Made 20/12s.
Paper Fans, Walnut Oil, Copper. Find out how paper fans are produced, walnut oil is manufactured and copper is made.
15:26 Secrets Of The Underground 2/7s.
Lost Pirate City Of Treasure. When an infamous pirate city sunk into the sea, a huge treasure may have gone with it. Could cutting edge technology reveal its resting place?
16:14 Secrets Of The Underground 2/8s.
Quest For The Gold Rush Fortune. In California Rob and Stefan explore a cave, rumoured to house 100 pounds of gold stashed away during the Gold Rush. Can their tech end the mystery?
17:02 NASA's Unexplained Files 1/3s.
Black Knight Rises. The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?
17:50 NASA's Unexplained Files 1/4s.
Interstellar Gold Rush. A planet shows evidence of an Earth-like atmosphere, while a mysterious glowing light suggests the impossible: an atmosphere on the Moon.
18:40 NASA's Unexplained Files 1/5s.
Episode 5. Could spaceships really be powered by atomic bombs? Plus, why was Neil Armstrong's transmission feed cut off when he spotted strange lights on the Moon?
19:30 How It's Made 23/12s.
Gingerbread Houses, Livestock Trailers. How are gingerbread houses, livestock trailers, bottom-rolling hangar doors, and toy figurines made?
19:55 How It's Made 23/13s.
Traffic Signal Poles, Coffee Filters. How are traffic signal poles, coffee filters, and chainsaw mining machines made?
20:20 How It's Made 23/14s.
Time-Delay Locks, Brownies, Pallet Dispensers. How are time-delay locks, brownies, pallet dispensers, and crystal chandeliers made?
20:45 How It's Made 23/16s.
Mouth-Blown Window Glass, Water Pumps. How are mouth-blown window glass, water pumps, sake, and tweezers made?
21:10 How It's Made 23/18s.
Champagne, ATMs, Marine Turbochargers. How are decadent champagne, the everyday necessity of ATMs, and powerful marine turbochargers made?
21:35 How It's Made 23/19s.
Sharpening Steels, Bladder Pumps, Ironing Boards, Kayak Paddles. How are sharpening steels, bladder pumps, ironing boards, and kayak paddles made?
22:00 Blowing Up History 4/9s.
Empire State Building: The New Secrets. Experts use cutting-edge technology to investigate one of the wonders of the modern world. They reveal mysteries hidden in its foundation.
22:50 Blowing Up History 4/10s.
Egypt's Buried City. Experts use cutting-edge technology to investigate a lost city buried in the Sahara. Archaeologists are uncovering the city's forgotten ruins and dark secrets.
23:40 Monsters Inside Me 6/10s.
An Amoeba is Eating My Brain. A baby girl writhes in pain on the verge of death, a neuro-psychiatrist suffers multi-organ failure, and a woman suffers a baffling brain infection.
00:30 Monsters Inside Me 6/2s.
My Vacation from Hell. The lives of three families are jolted - one infection rips a man's leg apart, and a rare brain infection pushes a seven year old girl toward suicide.
01:20 How the Earth Works 1/8s.
Ice Age or Hell Fire?. Martin and Liz travel from the glaciers of Canada to the heat of Death Valley to reveal evidence of the most powerful geological events - Ice Ages.
02:10 NASA's Unexplained Files 1/1s.
Episode 1. When astronaut Leroy Chao's high-risk spacewalk is interrupted by bright lights flying past, it sparks a major investigation. Could alien life forms be to blame?
03:00 NASA's Unexplained Files 1/2s.
Alien Death Ray. The Viking Lander may have found life on Mars. Meanwhile, how can a starship be spotted in the Aurora Borealis? And what exactly are NASA's mysterious Moon Pigeons?
03:48 Secrets Of The Underground 1/4s.
America's Buried Massacre. Rob Nelson hunts for a mass grave that could expose a dark secret. Plus, a giant lake is mysteriously disappearing and Rob set off to find out why.
04:36 Secrets Of The Underground 1/5s.
Rocky Mountain Monsters. Rob examines bizarre markings that suggest a violent clash between prehistoric beasts. In California, he explores if a strange lake is a home to alien life.
05:24 How It's Made: Dream Cars 2/10s.
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?
05:48 How It's Made: Dream Cars 2/11s.
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?
