How It's Made: Plasma Gems, Special Effects Snow; sezona 22, epizoda 23

More everyday items are put under the microscope as we discover how plasma gems are manufactured and special effects snow is made.

How Do They Do It?: Cooking Pans And More; sezona 12, epizoda 14

How do they build the biggest apartment block on the planet? How do they make the classic British boot? How do they make cooking pans last a lifetime?

Killers Of The Cosmos: Killer Rocks; sezona 1, epizoda 1

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?

Killers Of The Cosmos: Death Ray; sezona 1, epizoda 2

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?

Dino Hunters: We Got Skull; sezona 1, epizoda 5

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

Dino Hunters: Nano Or T-Rex; sezona 1, epizoda 6

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

How It's Made: Rubber Balls, Motion Chairs; sezona 25, epizoda 24

More everyday items go under the microscope. How are common objects including Montreal smoked meats and motorised scooters made?

How It's Made: Aerospace Fasteners; sezona 25, epizoda 25

More everyday items go under the microscope. How are common objects including cactus pear puree and lab reactors made?

How It's Made: Wall Beds, Sundae Cups; sezona 25, epizoda 26

More everyday items go under the microscope. How are common objects including digital paintings, sundae cups and badminton rackets made?

How It's Made: Dream Cars: Morgan Aero Coupe; sezona 1, epizoda 1

Ever wondered how a Morgan Aero Coupe was made? Join the How It's Made crew as they go to its birthplace, explore the inner workings and its gorgeous exterior.

How It's Made: Dream Cars: Porsche 911; sezona 1, epizoda 2

Ever wondered how a Porsche 911 was made? Join the How It's Made crew as they go to its birthplace, explore the inner workings and its gorgeous exterior.

How It's Made: Dream Cars: Ferrari FF; sezona 1, epizoda 3

Ever wondered how a Ferrari FF was made? Join the How It's Made crew as they go to its birthplace, explore the inner workings and its gorgeous exterior.

How Do They Do It?: Fedoras And More; sezona 12, epizoda 16

How do they fashion the Fedora hat? How do they make the cement that builds the world? How do they harvest and freeze millions of peas in under three hours?

How Do They Do It?: Mohair, Quadskis And The Harp; sezona 12, epizoda 17

How do they turn goat fleeces into fabrics? How do they build a quad bike that turns into a jet-ski? How do they create the harp?

How Do They Do It?: Redbrush Tea And More; sezona 12, epizoda 18

How do they harvest thousands of tonnes of tea? How to they make sure that your luggage catches the same plane as you? How are high-quality hairbrushes made?

How Do They Do It?: Credit Cards, Tiffin And Boat Lift; sezona 12, epizoda 19

How do they keep the crooks from cracking into your credit card? How do they lift a 1000-tonne ship into the air while it is still in the water?

How Do They Do It?: Power Tunnel And More; sezona 12, epizoda 20

How do they build massive tunnels to prevent blackouts in one of the world's biggest cities? How do they turn pine forest into perfect pieces of timber?

How Do They Do It?: Harris Tweed; sezona 15, epizoda 1

How do the islanders of the Outer Hebrides use pedal power to weave world-famous Harris tweed? And, in Iceland, how do they prepare fermented shark?

NASA's Unexplained Files: Lethal Weapons; sezona 2, epizoda 3

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?

NASA's Unexplained Files: Hammer of Thor; sezona 2, epizoda 4

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?

Killers Of The Cosmos: Cosmic Scrap; sezona 1, epizoda 3

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.

Killers Of The Cosmos: Little Green Men; sezona 1, epizoda 4

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.

How It's Made: Bistro Sets, Letterpress Printing; sezona 25, epizoda 11

More everyday items go under the microscope. How are objects including bamboo ceramic lights and asphalt compactors made?

How It's Made: Petanque Balls, Biologic Medicines; sezona 25, epizoda 13

More everyday items go under the microscope. How are objects including asphalt pavers, and Basque espadrilles made?

How It's Made: Leather Basketballs, Flood Gates; sezona 25, epizoda 14

More everyday items go under the microscope. What are the production processes behind common objects including wood panel canvases and shoelaces?

How It's Made: Power Steering Pumps; sezona 25, epizoda 15

More everyday items go under the microscope. What are the production processes behind common objects including Asian bowl meals and walking canes?

How It's Made: Plant Oil Extractors, Custom-Made Chandeliers; sezona 25, epizoda 16

More everyday items go under the microscope. How are common objects including power trainers and coffee pods made?

How It's Made: Witness Samples, Pressure Washers; sezona 25, epizoda 17

More everyday items go under the microscope. What are the production processes behind common objects such as beehives and cast iron cookers?

Alien Highway: Murder On The Prairie; sezona 1, epizoda 3

A series of strange animal deaths and UFO sightings brings Chuck to Colorado. Reports of authorities ignoring these incidents suggest a government cover-up.

Alien Highway: UFO Recovery; sezona 1, epizoda 4

Chuck receives a map supposedly leading to a hidden cache of recovered materials from the Roswell incident. He and his team go on an epic treasure to find them.

Cooper's Treasure: Wreck In The Shallows; sezona 2, epizoda 3

Darrell heads to a shipwreck linked to Gordo's list. He leads his team to the shallows where the tough winds and waves have claimed centuries worth of ships.

Cooper's Treasure: Treasure And Tragedy; sezona 2, epizoda 4

After finding evidence of a 1700s-era lifeboat near shore, Darrell and the team discover the shipwreck it came from. But a sudden tragedy hits the expedition.

In Search Of Monsters: Mothman; sezona 1, epizoda 3

A team of researchers seeks answers to mysteries surrounded the Mothman. They explore theories that the legendary cryptid is an abnormality in the evolutionary chain.

In Search Of Monsters: The Jersey Devil; sezona 1, epizoda 4

Paranormal investigations reveal stunning new evidence about the Jersey Devil, a monster that prowls the Pine Barrens of New Jersey.

The Alaska Triangle: Kodiak Dinosaur; sezona 2, epizoda 3

A sonar recording may prove that a prehistoric monster stalks the seas around Kodiak Island. Researchers investigate the disappearance of thousands of airplanes.

How It's Made: Rubber Balls, Motion Chairs; sezona 25, epizoda 24

More everyday items go under the microscope. How are common objects including Montreal smoked meats and motorised scooters made?

How It's Made: Aerospace Fasteners; sezona 25, epizoda 25

More everyday items go under the microscope. How are common objects including cactus pear puree and lab reactors made?

How Do They Do It?: Fedoras And More; sezona 12, epizoda 16

How do they fashion the Fedora hat? How do they make the cement that builds the world? How do they harvest and freeze millions of peas in under three hours?

How Do They Do It?: Mohair, Quadskis And The Harp; sezona 12, epizoda 17

How do they turn goat fleeces into fabrics? How do they build a quad bike that turns into a jet-ski? How do they create the harp?

How Do They Do It?: Redbrush Tea And More; sezona 12, epizoda 18

How do they harvest thousands of tonnes of tea? How to they make sure that your luggage catches the same plane as you? How are high-quality hairbrushes made?

How Do They Do It?: Credit Cards, Tiffin And Boat Lift; sezona 12, epizoda 19

How do they keep the crooks from cracking into your credit card? How do they lift a 1000-tonne ship into the air while it is still in the water?

How It's Made: Three-Wheel Electric Bikes, Skin Cream; sezona 22, epizoda 24

More everyday items are put under the microscope as we discover how three-wheel electric bikes are manufactured and skin cream is made.

How It's Made: Wild West Holsters, Water Video Housings; sezona 22, epizoda 25

More everyday items are put under the microscope as we discover how Wild West holsters are manufactured and water video housings are made.

How It's Made: Wood Garage Doors, Animatronic Dinosaurs; sezona 22, epizoda 26

More everyday items are put under the microscope as we discover how wood garage doors are manufactured and animatronic dinosaurs are made.