Episode 10. How do they look after bees to make millions of jars of honey? How do they build a trike to carry the whole family, and how to stop a bullet with a sheet of ceramic?
06:24 How the Universe Works 6/4s.
Uranus & Neptune: Rise Of The Ice Giants. New research shows the migration of ice planets may have helped start life on Earth, and stopped it being destroyed. How are they so vital?
07:12 How the Universe Works 6/5s.
The Quasar Enigma. Quasars are the brightest objects in space, powered by black holes, and the most mysterious. How do they shape the universe and ultimately aid in its destruction?
08:00 Expedition X 2/5s.
Devil In The Forest. The team head to the woods of southern New Jersey to hunt for the infamous Jersey Devil, reported to have terrorised locals for more than 300 years.
08:48 Expedition X 2/6s.
Americas Lake Monster. Phil and Jess investigate a 30-ft serpent that's been spotted in Lake Champlain for generations. A dangerous dive uncovers new evidence.
09:36 How It's Made 23/14s.
Time-Delay Locks, Brownies, Pallet Dispensers. How are time-delay locks, brownies, pallet dispensers, and crystal chandeliers made?
10:00 How It's Made 23/16s.
Mouth-Blown Window Glass, Water Pumps. How are mouth-blown window glass, water pumps, sake, and tweezers made?
10:24 How It's Made 23/18s.
Champagne, ATMs, Marine Turbochargers. How are decadent champagne, the everyday necessity of ATMs, and powerful marine turbochargers made?
10:48 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?
11:12 How It's Made 23/20s.
Champagne Hoods, Pneumatic Delivery, Espresso Machines. How are champagne tops, pneumatic delivery systems, espresso machines, and pizza ovens made?
11:36 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?
12:00 How Do They Do It? 11/13s.
Episode 13. How do they build a port ready to receive huge container ships? How do they make 28 million plastic bags a day? How do they blow the glass to make baubles?
12:24 How Do They Do It? 11/14s.
Episode 14. How do they make the world's most expensive vinegar? How do they keep divers warm in the freezing ocean? How do they build a plane that can fly upside down?
12:50 How Do They Do It? 11/15s.
Episode 15. How do they forge super steel to make a car lighter, greener and safer? And, how do they shear Australia's eighty million sheep every Spring?
13:14 How Do They Do It? 11/16s.
Episode 16. How do they keep you comfortable, entertained and safe with the latest aircraft seats? And, how do they design bras with aerospace technology to give you that extra lift?
13:38 How Do They Do It? 11/17s.
Episode 17. How do they make plasterboard from power station smoke? How do they cast the world's top awards? How do they build a plane that can take off and land almost anywhere?
14:02 How Do They Do It? 11/18s.
Episode 18. How do they make car windows to keep out wind and rain, stones and thieves, and even noise and harmful UV rays? And, how do they put the gloss on lipstick?
14:26 World's Top 5 2/5s.
Mighty Transporters. Five outstanding Mighty Transporters are shortlisted, all are mechanical marvels in their own right - but which is the mightiest transporter?
15:14 World's Top 5 2/6s.
Toughest Trucks. Five outstanding tough trucks are shortlisted, all are mechanical marvels in their own right - but which is the ultimate toughest truck?
16:02 How the Universe Works 10/2s.
Curse Of The Cosmic Rays. Cosmic rays that damage human DNA are a serious risk in manned space exploration. Can physicists find the source of the rays and help reduce the danger?
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 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.
18:05 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.
18:30 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.
18:55 How It's Made 23/5s.
Concrete Walls, 3D Printers. How are precast concrete walls, 3D printers, telescopic cranes, and kerosene lamp burners made?
19:20 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?
19:45 How It's Made 23/7s.
Handcrafted Skis, Septic Tanks. How are handcrafted skis, septic tanks, hydroformed chassis pants, and aquarium windows made?
20:10 Legendary Locations 1/1s.
Monuments, Mountains, Monsters. From a miraculous pyramid in Central America to ancient Greek myths, Josh shares the mysteries of the most awesome places on Earth.
20:35 Legendary Locations 1/2s.
Back From The Dead. Josh Gates explores places where legends never die in Romania, Japan and Germany. They include the castle that inspired the home of an iconic vampire.
21:00 Legendary Locations 1/3s.
Game Of Bones And Unknowns. Josh explores the beauty of the spiritual realm. He investigates a Japanese ice cave and a remote island where cats outnumber humans.
21:25 Legendary Locations 1/4s.
Lost And Found. Josh Gates explores a millionaire's disappearance in Malaysia, an ancient city's collapse in Cambodia and a celebration of death in Bolivia.
21:50 Ed Stafford: First Man Out 1/5s.
Palau. Ed is up against primitive skills expert Cat Bigney in a race across the deadly island paradise of Palau in the South Pacific - home to sharks and saltwater crocodiles.
22:40 Ed Stafford: First Man Out 1/6s.
India. Ed races Royal Air Force survival instructor John Hudson across the top of the monster mountains of the Himalayas. Monsoon rains and lethal bears are among its dangers.
23:30 How the Universe Works 6/6s.
Death Of The Milky Way. The Milky Way is dying and scientists are trying to discover what's killing it. Scientists must trace its whereabouts over the past 13.6 billion years.
00:20 How the Universe Works 6/7s.
War On Asteroids. Once thought to be an inevitable disaster, scientists now have the technology to prevent asteroids from hitting the Earth. How are they working to do this?
01:10 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.
02:00 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.
02:48 How Do They Do It? 11/13s.
Episode 13. How do they build a port ready to receive huge container ships? How do they make 28 million plastic bags a day? How do they blow the glass to make baubles?
03:12 How Do They Do It? 11/14s.
Episode 14. How do they make the world's most expensive vinegar? How do they keep divers warm in the freezing ocean? How do they build a plane that can fly upside down?
03:36 How Do They Do It? 11/15s.
Episode 15. How do they forge super steel to make a car lighter, greener and safer? And, how do they shear Australia's eighty million sheep every Spring?
04:00 How Do They Do It? 11/16s.
Episode 16. How do they keep you comfortable, entertained and safe with the latest aircraft seats? And, how do they design bras with aerospace technology to give you that extra lift?
04:24 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.
04:48 How It's Made 21/6s.
Gel Caps, Playground Spring Riders, Frozen Pancakes. More everyday items go under the microscope with a look at how objects from gel caps to frozen pancakes are made.
05:12 How It's Made 21/7s.
Paper Umbrellas, Coal, Aircraft Seats, Urns. More everyday items are put under the microscope as we discover how paper umbrellas, coal, aircraft seats and urns are made.
05:36 How It's Made 21/8s.
Aluminium Canoes, Wood Bowls. More everyday items go under the microscope with a look at how objects including aluminum canoes, wood bowls and marimbas are made.
Ford Transits, Driza-bone, Saltfish. How do Ford produce the ubiquitous white van, the Transit? Plus, how do they ensure the Driza-bone coat lives up to its name?
06:24 How Do They Do It? 14/11s.
Wood Stoves, Indigo, Synthesiser. How do they make wood burning stoves that bring warmth to the bleak Norwegian winter? Plus, how do build the synthesiser that changed music forever?
06:48 How Do They Do It? 14/12s.
Morgan Cars, Bamboo Cotton, Toilets. How do they assemble the reinvented Morgan 3 Wheeler? Plus, how do they protect firefighters' hands from heat, flame and chemical attack?
07:12 How Do They Do It? 14/13s.
Wind Turbines, Car Tyres, Mushrooms. 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?
07:36 How Do They Do It? 14/14s.
Ammo, Dental Drill, Road Markings. How do they make the tank piercing super bullet? Plus, how do they forge the infamous torture weapon, the dentist's drill?
08:00 Truth Behind the Moon Landing 1/2s.
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?
08:48 Truth Behind the Moon Landing 1/3s.
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.
09:36 Truth Behind the Moon Landing 1/4s.
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.
10:24 Extreme Engineering 5/4s.
Hong Kong Bridge. Stonecutters Bridge has a 1018m span and is an engineering marvel. Host Danny Forster travels to China's south coast to climb it, but will he be able to look down?
11:12 Extreme Engineering 5/5s.
Panama Canal. In danger of becoming obsolete, the Panama Canal is benefitting from a $5.25 billion expansion project. Host Danny Forster explores this intriguing development.
12:00 How Do They Do It? 16/5s.
Stainless Steel, Safe Locks. 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?
12:24 How Do They Do It? 16/6s.
Geoduck, Steam Trains. Many items that make up the modern world are the result of sophisticated engineering and production processes. How do they do it?
12:50 How Do They Do It? 16/7s.
Bufori Cars, Sports Whistles. 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?
13:14 How Do They Do It? 16/8s.
Pile Drivers, Cricket Bats. How do they turn English willow into cricket bats for India's finest cricketers? And, how do they construct the foundations for tall buildings?
13:38 How Do They Do It? 16/9s.
Tractors, Cowbells. 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?
14:02 How Do They Do It? 16/10s.
Bird's Nest Soup, Rowing Oars. 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?
14:26 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.
15:14 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.
16:02 NASA's Unexplained Files 2/5s.
Revenge of the Fireflies. Something in space is attacking the brains of our astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies?
16:50 NASA's Unexplained Files 2/6s.
Spacewalk of Doom. An astronaut on a spacewalk begins to drown. How could this alarming event happen? Plus, have NASA discovered an asteroid that's been converted into a spacecraft?
17:40 NASA's Unexplained Files 2/7s.
Did We Nuke Jupiter?. Could NASA really be responsible for a nuclear explosion on Jupiter? Could new evidence finally reveal the truth behind the mystery of the iconic face on Mars?
18:30 How Do They Do It? 14/15s.
Episode 15. How do they make giant floating power stations that provide power around the world? Plus, how do they fabricate the world's smallest aircraft?
18:55 How Do They Do It? 14/16s.
Episode 16. 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?
19:20 How Do They Do It? 14/18s.
Episode 18. How do they build the famous steam-powered paddleboats that cruise the Mississippi River? How did they create the powerful defence system called 'the waterwall'?
19:45 How Do They Do It? 14/19s.
Episode 19. 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?
20:10 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?
20:35 How It's Made 25/2s.
Nuno Felt, Drum Crushers. More everyday items go under the microscope. How are objects including kimchi and traditional parquet floors made?
21:00 How the Universe Works 10/3s.
Dark History Of Earth. Earth's past is marked by one cosmic disaster after another, forging the path of human evolution. Experts explore how close the Earth has come to destruction.
21:50 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.
22:40 Alien Encounters 3/2s.
The Entanglement. Based on found alien instructions, scientists build a powerful quantum computer that can enhance the senses of the human/alien hybrid children.
23:30 Alien Encounters 3/3s.
The Prophecies. More hybrids connect to the quantum computer. The combined brainpower is able to crunch unprecedented data and calculate the future - including weather and health.
00:20 NASA's Unexplained Files 2/2s.
Top Secret Terror. Images of Mercury reveal massive spider-like formations on its surface. Is it an odd geological formation - or something much more ominous?
01:10 NASA's Unexplained Files 2/3s.
Lethal Weapons. How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms?
02:00 NASA's Unexplained Files 2/4s.
Hammer of Thor. What are the mysterious trails on the lunar surface near the Apollo landing sites? Does a strange space object spell disaster for the crew of the space shuttle?
02:48 Blowing Up History 2/7s.
Ghosts Of Stonehenge. New discoveries reveal the deepest secrets of the Stonehenge, showing how ancient magic, bizarre rituals, and brutal murder built this strange monument.
03:36 Blowing Up History 2/8s.
Sex, Lies, And The Taj Mahal. Scientists reveal codes telling a shocking story of power and betrayal in the Indian ode to love, challenging commonly-held beliefs about the Taj Mahal.
04:24 How It's Made 21/9s.
Indy Car Seats, Paper Flowers, Stand-By Generators. More everyday items go under the microscope with a look at how indie car seats, paper flowers and stand-by generators are made.
04:48 How It's Made 21/10s.
Knee Replacements, Leaf Springs, Lavender Oil. More everyday items go under the microscope with a look at how objects including knee replacements are made.
05:12 How It's Made 21/11s.
Cast Iron Stoves, Ultralight Aircraft, Snow Groomer. More everyday items go under the microscope with a look at how objects such as cast iron stoves are made.
05:36 How It's Made 21/12s.
Sewage Pumps, Bimini Boat Tops. More everyday items go under the microscope with a look at how objects such as sewage pumps are made.
Episode 16. 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?
06:24 How Do They Do It? 14/18s.
Episode 18. How do they build the famous steam-powered paddleboats that cruise the Mississippi River? How did they create the powerful defence system called 'the waterwall'?
06:48 How Do They Do It? 14/19s.
Episode 19. 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?
07:12 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?
07:36 How It's Made 25/2s.
Nuno Felt, Drum Crushers. More everyday items go under the microscope. How are objects including kimchi and traditional parquet floors made?
08:00 Truth Behind the Moon Landing 1/5s.
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.
08:48 Truth Behind the Moon Landing 1/6s.
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.
09:36 Killers Of The Cosmos 1/1s.
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?
10:24 Extreme Engineering 5/6s.
Peru Dam. Danny is in Olmos, Peru, to see how one of the deepest tunnels ever attempted will deliver water to drought-ridden farmers; but can this ambitious project succeed?
11:12 Extreme Engineering 5/7s.
Abu Dhabi. Danny Forster explores the ambitious $500 billion US dollar Al Raha Beach development in Abu Dhabi. How are engineers building on land reclaimed from the sea?
12:00 How Do They Do It? 16/11s.
Turbochargers, Plastic Roads. 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?
12:24 How Do They Do It? 16/12s.
Sails, Ceremonial Swords. 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?
12:50 How Do They Do It? 16/13s.
Guitar Amplifier, Clay Pots. 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?
13:14 How Do They Do It? 16/14s.
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?
13:38 How Do They Do It? 16/15s.
RVs, Chupa Chups. How do they fit all the features of a luxury apartment into a motorhome? And, how do they make a ballet shoe that can take the weight of a dancer on tiptoes?
14:02 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?
14:26 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.
15:14 Blowing Up History 3/9s.
Mystery Of The Cursed Pyramid. Egypt's Bent Pyramid is one of the world's most mysterious ancient mega-structures. Was it intended to look so bizarre, or had something gone wrong?
16:02 NASA's Unexplained Files 2/8s.
Nazis on the Moon. A Russian probe discovers something has disturbed the lunar soil before the US or the USSR got there. But did the Nazis get there first?
16:50 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?
17:40 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?
18:30 How It's Made 25/3s.
Wood Watches, Steel Bicycles. More everyday items go under the microscope. How are objects including raw pet food and replica police lanterns made?
18:55 How It's Made 25/6s.
Fireplace Bellows, Calissons. More everyday items go under the microscope. How are objects including calissons and diving watercrafts made?
19:20 How It's Made 25/7s.
Artist Brushes, DEF Tank Heaters. More everyday items go under the microscope. How are objects including game tables and art glass wall sconces made?
19:45 How It's Made 25/8s.
Foosball Tables, Marseille Soap. More everyday items go under the microscope. How are objects including Marseille soap and Laguiole pocket knives made?
20:10 How It's Made 25/10s.
Berets, Pastis, Stationary Bikes. More everyday items are put under the microscope. How are common objects including berets, pastis, and stationary bikes made?
20:35 How It's Made 25/11s.
Bistro Sets, Letterpress Printing. More everyday items go under the microscope. How are objects including bamboo ceramic lights and asphalt compactors made?
21:00 World's Top 5 2/7s.
Giant Cranes. Five outstanding giant cranes are shortlisted, all are mechanical marvels in their own right - but which is the ultimate giant crane?
21:50 World's Top 5 2/8s.
Super Helicopters. Five outstanding super helicopters are shortlisted, all are mechanical marvels in their own right, but which is the ultimate super helicopter?
22:40 Alaska Mega Machines 1/5s.
Warriors In The Last Frontier. A mega fish factory churns out 3 million pounds of seafood a day. Plus, a flying ambulance saves lives at 14,000 feet above Alaska's wilderness.
23:30 Alaska Mega Machines 1/6s.
Behemoths Of The Bush. Only in Alaska can you find an airport made from nothing but water and ice. And next to a field of moose, 16 missiles stand by to prevent a nuclear disaster.
00:20 NASA's Unexplained Files 2/5s.
Revenge of the Fireflies. Something in space is attacking the brains of our astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies?
01:10 NASA's Unexplained Files 2/6s.
Spacewalk of Doom. An astronaut on a spacewalk begins to drown. How could this alarming event happen? Plus, have NASA discovered an asteroid that's been converted into a spacecraft?
02:00 NASA's Unexplained Files 2/7s.
Did We Nuke Jupiter?. Could NASA really be responsible for a nuclear explosion on Jupiter? Could new evidence finally reveal the truth behind the mystery of the iconic face on Mars?
02:48 Blowing Up History 2/9s.
Hidden City Of The Incas. The lost city of Machu Picchu is one of archaeology's biggest enigmas. Can secret Inca codes and deformed skeletons reveal its ultimate mystery?
03:36 Blowing Up History 2/10s.
Treasures Of The Terracotta Army. Dark secrets surround The Terracotta Army. Newly-found artefacts reveal the soldiers' supernatural enemy and ancient China's violent origins.
04:24 How It's Made 21/13s.
Car Tires, Silk, Art Conservation, Scuba Tanks. More everyday items go under the microscope with a look at how objects including car tyres, scuba tanks and silk are manufactured.
04:48 How It's Made 21/15s.
Rock Crushers, Fabric Lampshades, Cake Sprinkles. More everyday items go under the microscope. How are rock crushers, cake sprinkles and steam irons made?
05:12 How It's Made 21/16s.
Indy Steering Wheels, Mixed Salad, Wind Turbines. More everyday items go under the microscope with a look at how detachable Indy-Car steering wheels and wind turbines are made.
05:36 How It's Made 21/17s.
Blast Doors, Lipstick, Artificial Palm Trees, Brass Plaques. More everyday items go under the microscope with a look at how blast doors, lipstick and artificial palm trees are made.
Fireplace Bellows, Calissons. More everyday items go under the microscope. How are objects including calissons and diving watercrafts made?
06:24 How It's Made 25/7s.
Artist Brushes, DEF Tank Heaters. More everyday items go under the microscope. How are objects including game tables and art glass wall sconces made?
06:48 How It's Made 25/8s.
Foosball Tables, Marseille Soap. More everyday items go under the microscope. How are objects including Marseille soap and Laguiole pocket knives made?
07:12 How It's Made 25/10s.
Berets, Pastis, Stationary Bikes. More everyday items are put under the microscope. How are common objects including berets, pastis, and stationary bikes made?
07:36 How It's Made 25/11s.
Bistro Sets, Letterpress Printing. More everyday items go under the microscope. How are objects including bamboo ceramic lights and asphalt compactors made?
08:00 Killers Of The Cosmos 1/2s.
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?
08:48 Killers Of The Cosmos 1/3s.
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.
09:36 Killers Of The Cosmos 1/4s.
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.
10:24 Extreme Engineering 5/8s.
NASA. Danny Forster visits NASA to find out about the ambitious new Constellation Program. Plus, how will the Ares rocket change the future of American space exploration?
11:12 You Have Been Warned 6/1s.
Savage Skills. The smartest and bravest people use science to take their skills to the next level, from pulling a wheelie in a boat, to taking inline skates off-road.
12:00 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?
12:24 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?
12:50 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?
13:14 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?
13:38 How Do They Do It? 14/1s.
Aluminium Cans, Cuckoo Clocks, Paddleboards. How do they turn used aluminium cans into planes and rockets? Plus, how do they carve the traditional Black Forest cuckoo clock?
14:02 How Do They Do It? 14/2s.
Car Shredder, Sarees, Worcestershire Sauce. How do they build the ultimate car crushing colossus? Plus, how do Lea and Perrins concoct their Worcestershire sauce?
14:26 Blowing Up History 3/10s.
Titanic: The Last Secrets. A cutting-edge investigation into the sinking of the Titanic reveals new discoveries that could explain the mysteries of her last moments.
15:14 Blowing Up History 3/11s.
Secrets Of The Forbidden City. Archaeologists examine what lies beneath China's Forbidden City, exploring the dark secrets of this mysterious mega-palace buried for nearly 600 years.
16:02 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.
16:50 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.
17:40 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.
18:30 How It's Made 25/13s.
Petanque Balls, Biologic Medicines. More everyday items go under the microscope. How are objects including asphalt pavers, and Basque espadrilles made?
18:55 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?
19:20 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?
19:45 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?
20:10 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?
20:35 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?
21:00 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.
21:50 Blowing Up History 4/5s.
Curse Of The Seventh Wonder. The Lighthouse of Alexandria is one of the world's original Seven Wonders. Experts investigate its many secrets - did it hold a superweapon?
22:40 Expedition: Back To The Future 1/1s.
Josh's Adventure Of A Lifetime. Josh Gates hunts down the original DeLorean time machine from Back to the Future. He scours iconic Hollywood locations with Christopher Lloyd.
23:30 Expedition: Back To The Future 1/2s.
DeLorean Debacle. Josh Gates and Christopher Lloyd's hunt for the DeLorean takes them to a superfan's collection in Massachusetts. And, they visit DeLorean's headquarters in Texas.
00:20 NASA's Unexplained Files 2/8s.
Nazis on the Moon. A Russian probe discovers something has disturbed the lunar soil before the US or the USSR got there. But did the Nazis get there first?
01:10 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?
02:00 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?
02:48 Blowing Up History 2/11s.
Lost World Of The Colosseum. Archaeologists uncover the secret lives of the gladiators and make new discoveries that help explain the rise and sudden fall of the Roman Empire.
03:36 Blowing Up History 2/12s.
Lost City Of The Desert. The ancient city of Petra has baffled experts for decades. Now, new technologies resurrect the city and reveal why this civilization was suddenly abandoned.
04:24 How It's Made 21/18s.
Carbon Fibre, Antique Frame Restoration, Railcar Movers. More everyday items go under the microscope with a look at how carbon fibre and railcar movers are made.
04:48 How It's Made 21/19s.
Sawhorses And Toolboxes, Sorbet Pops, School Buses. More everyday items go under the microscope with a look at how sawhorses and toolboxes, sorbet pops and school buses are made.
05:12 How It's Made 21/20s.
Sanders, Solid Terrain Models, Stucco. More everyday items go under the microscope with a look at how objects from sanders to solid terrain models are made.
05:36 How It's Made 21/21s.
Pressed Glass, Pickup Truck Caps, Alpaca Yarn. Learn how everyday items such as pressed glass, pickup truck cabs, alpaca yarn and utility knives are produced.
