Petronas Window Cleaners. 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?
06:24 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?
07:12 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.
08:00 Blowing Up History 2/4s.
Mystery Of Egypt's Mega Temple. The Egyptian site of Karnak was once the ancient world's largest religious complex. Human remains tell the story of a new religion that changed Egypt.
08:48 Blowing Up History 2/5s.
Lost Temples Of The Jungle. New technology reveals the truth behind the largest temple ever built, Angkor Wat. Experts uncover how it was constructed and why it was deserted.
09:36 How It's Made 25/26s.
Wall Beds, Sundae Cups. More everyday items go under the microscope. How are common objects including digital paintings, sundae cups and badminton rackets made?
10:00 How It's Made 21/1s.
Rubber Gloves, Soap Carvings. More everyday items go under microscope. How are objects including aircraft cabinets and motorcycle brake locks produced?
10:24 How It's Made 21/2s.
Powder Horns, Handcrafted Molds, Pierogies. More everyday items go under the microscope with a look at how objects such as powder horns and inner tubes are made.
10:48 How It's Made 21/3s.
Lace, Antique Frame Replicas, Orchids. More everyday items go under the microscope with a look at how objects such as lace and unicycle wheel hubs are made.
11:12 How It's Made 21/4s.
External Hard Drives, Frozen Shrimp, Thai Rice Boxes. More everyday items go the microscope. How are external hard drives, Thai rice boxes and paper towels made?
11:36 How It's Made 21/5s.
Tea, Roof Finials, Artificial Flowers, Alloy Wheels. More everyday items go under the microscope with a look at how objects such as tea, artificial flowers and alloy wheels are made.
12:00 How Do They Do It? 16/16s.
Mushrooms, Maps. How do they grow nearly 200,000 tonnes of mushrooms a year in the mushroom capital of the world? And, how do they make billions of life-saving gloves?
12:24 How Do They Do It? 16/17s.
Fertiliser, Maple Syrup. How do they mine a million tonnes of fertiliser from below the sea? How do they hand print millions of colourful clothes using the art of batik?
12:50 How Do They Do It? 16/18s.
Basmati Rice, Mechanical Birds. How do they turn thousands of tonnes of basmati rice into millions of microwaveable meals? How do they craft beautiful mechanical singing birds?
13:14 How Do They Do It? 16/19s.
Hearing Aids, Trains. How do they make an almost invisible hearing aid that connects wirelessly to a phone? How do they build the carriages for London's new underground railway?
13:38 How Do They Do It? 16/20s.
Remotely Operated Vehicles. How do they build remote-controlled underwater robots to do jobs too dangerous for human divers? How do they make the world's most cuddly teddy bears?
14:02 How Do They Do It? 10/1s.
Opal / Stunt Planes / Nougat. How do they mine precious opals beneath one of the hottest deserts on earth? How do they build breath-taking stunt planes and how do they make nougat?
14:26 Blowing Up History 4/1s.
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?
15:14 Blowing Up History 4/2s.
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.
16:02 How the Universe Works 8/1s.
When NASA Met Jupiter. NASA's Juno probe is unlocking Jupiter's secrets, answering mysteries and gathering data. Scientists and experts explain the importance of this mission.
16:50 Secret Space Escapes 1/5s.
Point of No Return. A spacewalker loses his vision and is locked outside his craft after a malfunction. Plus, cosmonauts are engulfed by a fire while still on the launchpad.
17:40 How It's Made 25/14s.
Leather Basketballs, Flood Gates. More everyday items go under the microscope. What are the production processes behind common objects including wood panel canvases and shoelaces?
18:05 How It's Made 25/15s.
Power Steering Pumps. More everyday items go under the microscope. What are the production processes behind common objects including Asian bowl meals and walking canes?
18:30 How It's Made 25/16s.
Plant Oil Extractors, Custom-Made Chandeliers. More everyday items go under the microscope. How are common objects including power trainers and coffee pods made?
18:55 How It's Made 25/17s.
Witness Samples, Pressure Washers. More everyday items go under the microscope. What are the production processes behind common objects such as beehives and cast iron cookers?
19:20 How It's Made 25/18s.
Leather Sculptures, Travel Hot Plates. More everyday items go under the microscope. What are the production processes behind common objects including ochre and hurdy gurdies?
19:45 How It's Made 25/19s.
Spiral Stairs, Pita Bread. More everyday items go under the microscope. How are common objects including exhaust headers and moulded limestone artwork made?
20:10 Estonia 1/1s.
Episode 1. The MS Estonia ferry sank as it was crossing the Baltic Sea in 1994, killing 852 people. Some of the survivors reveal details of the tragic incident.
21:00 Everest Rescue 1/1s.
The Death Zone. Pilot Jason is called to rescue a group of climbers whose camp was wrecked by high winds, and Siddartha and Andy call on a woman who gave birth and is haemorrhaging.
21:50 Cornwall Air 999 1/1s.
Episode 1. Paramedics treat a biker with a suspected broken pelvis and significant injuries to her left leg. Plus, an 87-year-old woman has cut her right arm on broken glass.
22:40 Cornwall Air 999 1/2s.
Episode 2. Paramedics are called to aid a member of the audience at Cornwall's iconic Minack Theatre. And, a holidaymaker is treated after being struck by a paddleboard.
23:30 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?
00:20 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?
01:10 Morgan Freeman's Through The Wormhole 4/3s.
Are Robots The Future Of Evolution?. Is it possible that today's robots could evolve to be smarter than humans, or will we choose to merge with the machines?
02:00 Morgan Freeman's Through The Wormhole 4/4s.
When Does Life Begin?. New evidence and technology reveal that inside us are traces of cells from relatives, blurring the lines between one life and another.
02:48 How Do They Do It? 16/16s.
Mushrooms, Maps. How do they grow nearly 200,000 tonnes of mushrooms a year in the mushroom capital of the world? And, how do they make billions of life-saving gloves?
03:12 How Do They Do It? 16/17s.
Fertiliser, Maple Syrup. How do they mine a million tonnes of fertiliser from below the sea? How do they hand print millions of colourful clothes using the art of batik?
03:36 How Do They Do It? 16/18s.
Basmati Rice, Mechanical Birds. How do they turn thousands of tonnes of basmati rice into millions of microwaveable meals? How do they craft beautiful mechanical singing birds?
04:00 How Do They Do It? 16/19s.
Hearing Aids, Trains. How do they make an almost invisible hearing aid that connects wirelessly to a phone? How do they build the carriages for London's new underground railway?
04:24 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.
04:48 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.
05:12 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.
05:36 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.
Champagne Hoods, Pneumatic Delivery, Espresso Machines. How are champagne tops, pneumatic delivery systems, espresso machines, and pizza ovens made?
06:24 How It's Made 23/21s.
Stile & Rail Doors, Steam Cleaners, Hand-Held Pizzas. How are stile and rail doors, steam cleaners, hand-held pizza, and power brushes made?
06:48 How It's Made 23/22s.
Industrial Casters, Wedding Cakes, THz Spectrometers. How are industrial casters, wedding cakes, tetrahertz spectrometers, and racing catamarans made?
07:12 How It's Made 23/23s.
Ceramic Grills, Pneumatic Punchers, Water Jet Fountains. How are ceramic grills, punching machines, jet fountains, and hollow wooden surfboards made?
07:36 How It's Made 23/24s.
Vibrating Mining Screens, Whoopie Pies, Utility Poles. How are vibrating mining screens, whoopie pies, wood utility poles, and roller conveyors made?
08:00 NASA's Unexplained Files 3/2s.
Return of the Moon Bugs. Apollo 12 astronauts bring back something alive from the moon and NASA track an asteroid heading towards Earth only to make a shocking discovery.
08:48 NASA's Unexplained Files 3/3s.
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.
09:36 NASA's Unexplained Files 3/4s.
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.
10:24 What Could Possibly Go Wrong? 1/6s.
Motorcycle Chariots. The guys turn chariots into speed demons by replacing horses with powerful motorcycles. Kevin and Grant find out what it takes to escape from Alcatraz.
11:12 What Could Possibly Go Wrong? 1/7s.
USS Scrapyard Submarine. Kevin and Grant build a submarine and see if they can survive at the bottom of a pool, supersize wind-up cars, and see if duct tape can stop a bullet.
12:00 How It's Made 26/19s.
Guitar Pickups, Heated Furniture. More everyday items go under the microscope, revealing their production. How are objects such as water well cylinders and nonconductive tools made?
12:24 How It's Made 26/20s.
Innerspring Mattresses. More everyday items go under the microscope, revealing their production. How are objects such as stand-up paddleboards and vacuum cleaners made?
12:50 How It's Made 26/21s.
Belts, 3D Metal Printers. More everyday items go under the microscope, revealing their production. How are objects such as detectable warning panels and model Stirling engines made?
13:14 How It's Made 26/22s.
Compression & Extension Springs. More everyday items go under the microscope, revealing their production. How are objects such as micro drill bits and skiffs made?
13:38 How It's Made 26/23s.
Fencing Masks, Books. More everyday items go under the microscope, revealing their production. How are objects such as ocean drone transformers and 3D puzzles made?
14:02 How It's Made 26/24s.
Tin Whistles, Horn Products. More everyday items go under the microscope, revealing their production. How are objects including Formula F race cars made?
14:26 Blowing Up History 3/2s.
Viking City Of The Dead. When a Viking fortress lost underground for over 1,000 years is discovered, experts investigate its buried treasures. What caused this civilization's demise?
15:14 Blowing Up History 3/3s.
Lost Pyramids Of The Americas. At an ancient city lost in the Peruvian desert for 5,000 years, experts find signs of strange rituals. Was it the first civilization of the Americas?
16:02 NASA's Unexplained Files 3/10s.
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.
16:50 NASA's Unexplained Files 3/11s.
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?
17:40 NASA's Unexplained Files 3/12s.
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.
18:30 How It's Made 23/25s.
Exercise Bikes, Cornish Pasties, Pasta Makers. How are exercise bikes, Cornish pasties, pasta makers, and slate products made?
18:55 How It's Made 23/26s.
Channel Signs, Wetsuits. How are channel signs are created, wetsuits are manufactured, and aluminium aircrafts made?
19:20 How It's Made 24/1s.
CNC Assembly Machines, Lemon Tarts, and Miniature War Figures. Find out how CNC assembly machines, lemon tarts, and miniature war figures are made.
19:45 How It's Made 24/2s.
Chemical Tank Pressure Vents, Candy Wafers, Food Trucks, Traditional Ropes. Find out how chemical tank pressure vents, candy wafers, food trucks and traditional ropes are made.
20:10 How It's Made 24/3s.
Graphene, The World's Smallest Car, Force Testers, And Composite Cars. Find out how graphene, the world's smallest car, force testers, and composite cars are made.
20:35 How It's Made 24/4s.
LED Tubes, Chocolate Peanut Butter Bars, and Robotic Medication Dispensers. Find out how LED tubes, chocolate peanut butter bars, and robotic medication dispensers are made.
21:00 How the Universe Works 8/3s.
Edge Of The Universe. Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind the rules of the universe.
21:50 Secret Space Escapes 1/6s.
Fatal Re-Entry. An astronaut performs an emergency procedure to save a new ISS solar array. Plus, the first Korean astronaut has a bumpy ride during re-entry.
22:40 Morgan Freeman's Through The Wormhole 5/5s.
Will We Become God?. Scientific breakthroughs are granting humans seemingly divine abilities, from growing new life, to using big data to solve almost any problem.
23:30 Morgan Freeman's Through The Wormhole 5/6s.
Is There a Shadow Universe?. The universe is filled with light, but scientists are now certain there is far more matter in the dark portions of this expansive universe.
00:20 NASA's Unexplained Files 3/6s.
Did Earth Have Two Moons?. A starling discovery suggests the hellish clouds of Venus may be the origin of life on Earth. Plus, did the earth once have two moons?
01:10 NASA's Unexplained Files 3/7s.
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.
02:00 NASA's Unexplained Files 3/8s.
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.
02:48 Cooper's Treasure 2/7s.
Into The Storm. A dangerous storm threatens to shut down the operation just as Darrell and team discover gold ore in the remains of an old wreck.
03:36 Cooper's Treasure 2/8s.
Striking Gold. Leading to one of the richest finds in Darrell's career, the team discovers ornate artefacts that indicate the location of a 16th century captain's quarters.
04:24 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.
04:48 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.
05:12 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.
05:36 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.
Channel Signs, Wetsuits. How are channel signs are created, wetsuits are manufactured, and aluminium aircrafts made?
06:24 How It's Made 24/1s.
CNC Assembly Machines, Lemon Tarts, and Miniature War Figures. Find out how CNC assembly machines, lemon tarts, and miniature war figures are made.
06:48 How It's Made 24/2s.
Chemical Tank Pressure Vents, Candy Wafers, Food Trucks, Traditional Ropes. Find out how chemical tank pressure vents, candy wafers, food trucks and traditional ropes are made.
07:12 How It's Made 24/3s.
Graphene, The World's Smallest Car, Force Testers, And Composite Cars. Find out how graphene, the world's smallest car, force testers, and composite cars are made.
07:36 How It's Made 24/4s.
LED Tubes, Chocolate Peanut Butter Bars, and Robotic Medication Dispensers. Find out how LED tubes, chocolate peanut butter bars, and robotic medication dispensers are made.
08:00 NASA's Unexplained Files 3/5s.
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.
08:48 NASA's Unexplained Files 3/6s.
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.
09:36 NASA's Unexplained Files 3/7s.
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.
10:24 What Could Possibly Go Wrong? 1/8s.
Rock 'Em Sock 'Em Revenge. Kevin and Grant build supersized Rock 'Em Sock 'Em Robots, build a motorcycle with one wheel, and what it takes to survive the perfect storm.
11:12 What Could Possibly Go Wrong? 1/9s.
Holiday Special. A balloon-powered sleigh is built to deliver presents, snow is made and covers Kevin's front lawn and holiday decorations are deployed in record time.
12:00 How It's Made 26/25s.
Motorcycle Goggles, Handbuilt Jukeboxes. More everyday items go under the microscope, revealing their production. How are objects including vacuum excavators made?
12:24 How It's Made 26/26s.
Peaked Caps, Custom Water Heaters. More everyday items go under the microscope, revealing their production. How are objects such as electric boats and fencing foils made?
12:50 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.
13:14 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.
13:38 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.
14:02 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.
14:26 Blowing Up History 3/4s.
Statue Of Liberty: The New Secrets. The Statue of Liberty is the home to dark American mysteries. Now, experts are using the latest science and technology to reveal her secrets.
15:14 Blowing Up History 3/5s.
Hunt For The Real Atlantis. A mysterious ruined city in Greece is home to the mythical Labyrinth and the Minotaur. Its catastrophic downfall may have inspired the legend of Atlantis.
16:02 NASA's Unexplained Files 3/13s.
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?
16:50 NASA's Unexplained Files 3/14s.
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.
17:40 NASA's Unexplained Files 3/16s.
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.
18:30 How It's Made 24/5s.
Commercial Drones, Aquarium Fish, Runway Cleaners, and Shuttlecocks. Find out how commercial drones, aquarium fish, runway cleaners, and shuttlecocks are made.
18:55 How It's Made 24/6s.
Mortars & Pestles, Bowling Lane Conditioners, Crematories, & Wood Playsets. Find out how mortars, pestles bowling lane conditioners, crematories and wood playsets are made.
19:20 How It's Made 24/7s.
Wooden Matches, Tillage Machines, Telescopic Gangways, and Mabe Pearls. Find out how wooden matches, tillage machines, telescopic gangways, and mabe pearls are made.
19:45 How It's Made 24/8s.
Mosquito Coils, Solar Assist Tricycles, Palm Oil, & Fiberglass Chopper Guns. Find out how mosquito coils, solar-assist tricycles, palm oil, and fiberglass chopper guns are made.
20:10 How It's Made 24/9s.
Wood Toys, Retro Toasters, Laboratory Furnaces, Aerogels. Find out how wood toys, retro toasters, laboratory furnaces, and aerogels are made.
20:35 How It's Made 24/10s.
Combination Squares, Farmed Shrimp, Ball Valves, String Trimmers. Find out how combination squares, farmed shrimp, ball valves, and string trimmers are made.
21:00 Blowing Up History 4/3s.
Mysteries Of The Ice Mummy. The 'Iceman' is the world's oldest and most perfectly preserved mummy. Cutting-edge forensic technology may unearth the mummy's darkest secrets.
21:50 Blowing Up History 4/4s.
Nero's Lost Palace. The Emperor Nero built an astonishing palace in the heart of Rome. Now using cutting-edge technology, experts investigate if he burnt the city for the building.
22:40 You Have Been Warned 6/3s.
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.
23:30 You Have Been Warned 6/4s.
Supernatural. A showcase of Mother Nature's most amazing moments. Features a man eaten alive by leaches and another who pulls a car with his eye sockets. But which is the wackiest?
00:20 NASA's Unexplained Files 3/10s.
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.
01:10 NASA's Unexplained Files 3/11s.
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?
02:00 NASA's Unexplained Files 3/12s.
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.
02:48 Expedition Unknown 4/2s.
Origins Of Stonehenge. Archaeology expert and adventurer, Josh Gates, travels to Great Britain to explore the origins of the mystical monument of Stonehenge.
03:36 Expedition Unknown 4/3s.
Pyramid Of Legends. Adventurer, Josh Gates, ventures into the ancient Maya city of El Mirador in search of the lost tombs of mysterious ruling dynasty, the Snake Kings.
04:24 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.
04:48 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.
05:12 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.
05:36 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.
Mortars & Pestles, Bowling Lane Conditioners, Crematories, & Wood Playsets. Find out how mortars, pestles bowling lane conditioners, crematories and wood playsets are made.
06:24 How It's Made 24/7s.
Wooden Matches, Tillage Machines, Telescopic Gangways, and Mabe Pearls. Find out how wooden matches, tillage machines, telescopic gangways, and mabe pearls are made.
06:48 How It's Made 24/8s.
Mosquito Coils, Solar Assist Tricycles, Palm Oil, & Fiberglass Chopper Guns. Find out how mosquito coils, solar-assist tricycles, palm oil, and fiberglass chopper guns are made.
07:12 How It's Made 24/9s.
Wood Toys, Retro Toasters, Laboratory Furnaces, Aerogels. Find out how wood toys, retro toasters, laboratory furnaces, and aerogels are made.
07:36 How It's Made 24/10s.
Combination Squares, Farmed Shrimp, Ball Valves, String Trimmers. Find out how combination squares, farmed shrimp, ball valves, and string trimmers are made.
08:00 NASA's Unexplained Files 3/8s.
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.
08:48 NASA's Unexplained Files 3/1s.
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.
09:36 NASA's Unexplained Files 3/2s.
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.
10:24 Invent It Rich 1/4s.
Heat Is On. Brook and Brian help Marc vet four new products, including a motorised roller skates users can strap to their shoes and a 360-degree infrared surveillance device.
11:12 Invent It Rich 1/5s.
Fight Night. Brook and Brian help Marc vet four new products, including a bike that can ride on water, social robots and a device that improves the reaction time of boxers.
12:00 How It's Made 23/5s.
Concrete Walls, 3D Printers. How are precast concrete walls, 3D printers, telescopic cranes, and kerosene lamp burners made?
12:24 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?
12:50 How It's Made 23/7s.
Handcrafted Skis, Septic Tanks. How are handcrafted skis, septic tanks, hydroformed chassis pants, and aquarium windows made?
13:14 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?
13:38 How It's Made 23/9s.
Armoured Vehicles, Tension Fabric Buildings. How are armoured vehicles, tension fabric buildings, rowers, and sculpture enlargements made?
14:02 How It's Made 23/10s.
Mountain Bike Suspensions, Surgical Sutures. How are mountain bike suspensions, surgical sutures, grain dryers, and frying pans made?
14:26 Blowing Up History 3/6s.
Wrath Of Attila The Hun. Attila the Hun was one of history's fiercest warriors, and new evidence reveals if his terror was responsible for the fall of Roman Empire.
15:14 Blowing Up History 3/7s.
Lost World Of Easter Island. The statues of Easter Island were built by one of the world's strangest and most isolated civilizations. New evidence reveals why they were constructed.
16:02 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.
16:50 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?
17:40 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.
18:30 How It's Made 24/12s.
Chinese Style Furniture, Electrical Switches. Find out how Chinese style furniture, electrical switches, Thai fish sauce, and cappers are made.
18:55 How It's Made 24/13s.
Race Car Oil Tanks, Plaster Moldings. Find out how race car oil, plaster mouldings, lemongrass oil, and fly tying vises are made.
19:20 How It's Made 24/14s.
Coconut Charcoal, Dial Indicators. Find out how coconut charcoal, dial indicators, wet downdraft tables, and bassoon reeds are made.
19:45 How It's Made 24/15s.
Pasta Dyes, Blueberries. Find out how pasta dyes, blueberries, composting toilets, and surge arresters are made.
20:10 How It's Made 24/16s.
Angle Grinders, Berry Baskets. Find out how angle grinders, berry baskets, and omnidirectional speakers are made.
20:35 How It's Made 24/17s.
Cartridge Blades, Chocolate Banana Loaves. Find out how cartridge blades, chocolate banana loaves, vending machines, and dive computers are made.
21:00 In Search Of Monsters 1/5s.
The Wendigo. Paranormal investigators reveal a bold new theory about the origins of the Wendigo. Are the stories of this terrifying creature with cannibalistic cravings true?
21:50 In Search Of Monsters 1/7s.
The Beast Of Bray Road. Experts analyse new evidence that could prove the Beast of Bray Road is terrorised a Wisconsin town. Plus, is the human-wolf hybrid spreading across the US?
22:40 Mummies Unwrapped 1/5s.
Hunting Lincoln's Assassin. A missing mummy could re-write the history of Abraham Lincoln's assassination. Ramy Romany investigates whether John Wilkes Booth actually escaped.
23:30 Storming Area 51 1/1s.
Storming Area 51. Joe and Emmett Hayes head to Nevada desert to observe, investigate and embrace the pandemonium of storming Area 51. And, they dive into the history of the facility.
00:20 NASA's Unexplained Files 3/13s.
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?
01:10 NASA's Unexplained Files 3/14s.
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.
02:00 NASA's Unexplained Files 3/16s.
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.
02:48 Expedition Unknown 4/5s.
Viking Secrets. Josh Gates investigates how a group of Norse tribesmen gained power in medieval Europe. His quest for answers takes him from Denmark to Iceland.
03:36 Expedition Unknown 4/6s.
Vikings In America. Josh Gates traces the Vikings' westward expansion from the volcanic landscape of Iceland to a mysterious settlement in Greenland and into North America.
04:24 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.
04:48 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.
05:12 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.
05:36 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.