The truth behind America's secret bunkers - from backyard boxes to government mini-cities. Underground bunkers have featured in war planning since the dawn of time. Jakso 3 Kausi 1 Vuosi 2012

More everyday items go under the microscope. How are common objects including almonds and high-end motorcycles made? Jakso 22 Kausi 25 Vuosi 2017

More everyday items go under the microscope. How are common objects including candied fruit and linen ukuleles made? Jakso 23 Kausi 25 Vuosi 2017

More everyday items go under the microscope. How are common objects including Montreal smoked meats and motorised scooters made? Jakso 24 Kausi 25 Vuosi 2017

More everyday items go under the microscope. How are common objects including cactus pear puree and lab reactors made? Jakso 25 Kausi 25 Vuosi 2017

Find out how thinning shears, wagon wheels, toaster pastries, and violin bows are made. Jakso 9 Kausi 20 Vuosi 2012

Find out how bathtubs, Hopi Kachina dolls, mine truck engines, and memory cards are made. Jakso 10 Kausi 20 Vuosi 2012

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. Jakso 11 Kausi 20 Vuosi 2012

Find out how paper fans are produced, walnut oil is manufactured and copper is made. Jakso 12 Kausi 20 Vuosi 2012

More everyday items go under microscope. How are objects including aircraft cabinets and motorcycle brake locks produced? Jakso 1 Kausi 21 Vuosi 2014

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? Jakso 2 Kausi 1 Vuosi 2013

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. Jakso 3 Kausi 1 Vuosi 2013

Liz Bonnin and Martin Pepper investigate the volcano Mount Vesuvius. During the research, they discover another deadly super volcano, Campi Flegrei. Jakso 4 Kausi 1 Vuosi 2013

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. Jakso 4 Kausi 1 Vuosi 2015

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. Jakso 5 Kausi 1 Vuosi 2015

How do they make fish decoys, cylinder stoves and digitalise film? Find out as more everyday items are put under the microscope. Jakso 7 Kausi 19 Vuosi 2013

How do they build bamboo bicycles, create chainsaw art and make breath mints? Find out as more everyday items are put under the microscope. Jakso 8 Kausi 19 Vuosi 2013

How do they make dinner sets, air brake tanks and frosted cereal? Find out, as more everyday items are put under the microscope. Jakso 9 Kausi 19 Vuosi 2013

How do they make clay, pitted prunes, spurs and polyurethane tyres? Find out, as more everyday items are put under the microscope. Jakso 10 Kausi 19 Vuosi 2013

How do they make tasers, canned soup, diving boards, jaw harps and mouth bows? Find out as more everyday items are put under the microscope. Jakso 11 Kausi 19 Vuosi 2013

How do they make Navajo rugs, crude oil, kaleidoscopes and titanium dental implants? Find out as everyday items are put under the microscope. Jakso 12 Kausi 19 Vuosi 2013

Priceless gold and silver artefacts are believed to be lost in King Solomon's hidden mines. Rob and Stefan search for the legendary treasure. Jakso 2 Kausi 2 Vuosi 2017

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. Jakso 4 Kausi 2 Vuosi 2017

Drops of rain could be bringing us visitors from another planet, invading our bloodlines or infecting our technology. But are aliens already inside us? Jakso 1 Kausi 6 Vuosi 2015

The universe seems real, but what if it isn't? Scientists from all fields are exploring the possibility that life is virtual reality. Jakso 2 Kausi 6 Vuosi 2015

If you think you see everyone as equal you are kidding yourself. No matter how open-minded we think we are stereotypes colour our judgment of others. Jakso 3 Kausi 6 Vuosi 2015

More everyday items go under the microscope with a look at how objects such as powder horns and inner tubes are made. Jakso 2 Kausi 21 Vuosi 2014

More everyday items go under the microscope with a look at how objects such as lace and unicycle wheel hubs are made. Jakso 3 Kausi 21 Vuosi 2014

More everyday items go the microscope. How are external hard drives, Thai rice boxes and paper towels made? Jakso 4 Kausi 21 Vuosi 2014

More everyday items go under the microscope with a look at how objects such as tea, artificial flowers and alloy wheels are made. Jakso 5 Kausi 21 Vuosi 2014

More everyday items go under the microscope with a look at how objects from gel caps to frozen pancakes are made. Jakso 6 Kausi 21 Vuosi 2014

More everyday items are put under the microscope as we discover how paper umbrellas, coal, aircraft seats and urns are made. Jakso 7 Kausi 21 Vuosi 2014

Professor Mirosław Ząbek is a pioneering Polish neurosurgeon. His ground-breaking methods are dramatically transforming the lives of many patients. Jakso 1 Kausi 1 Vuosi 2020

Professor Mirosław Ząbek is a pioneering Polish neurosurgeon. His ground-breaking methods are dramatically transforming the lives of many patients. Jakso 2 Kausi 1 Vuosi 2020

A man experiences bizarre swelling around his eye. A 12-year-old girl falls mysteriously ill and a young woman's symptoms leave her close to madness. Jakso 1 Kausi 8 Vuosi 2017

A young girl goes to hospital with stabbing pains in her scalp. A woman is struck by severe, strange symptoms that threaten to tear her family apart. Jakso 2 Kausi 8 Vuosi 2017

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. Jakso 6 Kausi 1 Vuosi 2015

A power failure occurs on the ISS forcing the crew to consider abandoning the station. Plus, during a spacewalk a cosmonaut is nearly stranded after a suit malfunction. Jakso 7 Kausi 1 Vuosi 2015

A leak threatens the lives of astronauts upon re-entry. And a mission to the Salyut space station takes a surprise turn when the crew suffers from depressurisation. Jakso 8 Kausi 1 Vuosi 2015

We'll explore a conspiracy that helped three inmates escape the dungeon of Alcatraz, and discover the remnants of a mysterious military outpost linked to Abraham Lincoln. Jakso 4 Kausi 1 Vuosi 2012