The Roman Empire built Hadrian's Wall to guard its frontiers; new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure. Jakso 12 Kausi 4 Vuosi 2019

More everyday items go under the microscope. How are common objects including exhaust headers and moulded limestone artwork made? Jakso 19 Kausi 25 Vuosi 2017

More everyday items go under the microscope. What are the production processes behind common objects such as recycled skateboard guitars? Jakso 20 Kausi 25 Vuosi 2017

More everyday items go under the microscope. How are common objects including racing pulley systems and medicine balls made? Jakso 21 Kausi 25 Vuosi 2017

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

Ever wondered how everyday items are made? More common items are put under the microscope to find out. Jakso 3 Kausi 23 Vuosi 2015

Ever wondered how everyday items are made? More common items are put under the microscope to find out. Jakso 4 Kausi 23 Vuosi 2015

How are precast concrete walls, 3D printers, telescopic cranes, and kerosene lamp burners made? Jakso 5 Kausi 23 Vuosi 2015

How are car headlamps, directional drills, and combs made? And how is stained glass restored? Jakso 6 Kausi 23 Vuosi 2015

How are handcrafted skis, septic tanks, hydroformed chassis pants, and aquarium windows made? Jakso 7 Kausi 23 Vuosi 2015

Is there another Earth with liquid oceans, rocky continents and life? Astronomers seek the answer with spectroscopy and direct imaging. Jakso 9 Kausi 3 Vuosi 2014

Dwarf planets are some of the solar system's most active places, from oceans of liquid water on Pluto to vanishing volcanoes on icy Ceres. Jakso 2 Kausi 6 Vuosi 2017

Half of the star systems in our galaxy have two stars, possibly creating habitats for alien life. Here, binary stars fling entire worlds into space. Jakso 3 Kausi 6 Vuosi 2017

Alex races across London against a black-cab driver, tries to escape from the clutches of a professional tracker and his team, and beat a grandmaster of memory. Jakso 6 Kausi 1 Vuosi 2014

Brook and Brian help Marc vet four new products, including a vehicle that allows cyclists to reach highway speeds and the first-ever indestructible shoelace. Jakso 1 Kausi 1 Vuosi 2015

More everyday items go under the microscope, revealing their unique production processes. How are objects including saxophones made? Jakso 2 Kausi 26 Vuosi 2018

More everyday items go under the microscope. How are objects including prefabricated conservatories and copper cookware made? Jakso 4 Kausi 26 Vuosi 2018

More everyday items go under the microscope, revealing their production. How are objects including leaf and debris vacuums, canned meat and fillet knives made? Jakso 5 Kausi 26 Vuosi 2018

More everyday items go under the microscope, revealing their production. How are objects including promotional origami and hedge shears made? Jakso 6 Kausi 26 Vuosi 2018

More everyday items go under the microscope, revealing their production. How are objects including barbeque utensils made? Jakso 7 Kausi 26 Vuosi 2018

More everyday items go under the microscope, revealing their production. How are objects including boat radar mounts made? Jakso 8 Kausi 26 Vuosi 2018

Montana rancher Clayton finds what might be a rare and valuable fossil on his family's property. In Wyoming, Mike and his son uncover a triceratops horn. Jakso 1 Kausi 1 Vuosi 2020

Clayton continues his excavation of a rare, carnivorous dinosaur on his Montana ranch. In Wyoming, Mike and Jake prepare to sell their prized T-Rex fossil. Jakso 2 Kausi 1 Vuosi 2020

New discoveries lead scientists to question if the Big Bang really happened. They investigate if it was the start of many multiverses. Jakso 6 Kausi 7 Vuosi 2018

Dark matter and energy battle for the cosmos and the winner will determine the universe's fate. New discoveries may reveal which force will win. Jakso 7 Kausi 7 Vuosi 2018

For 20 years NASA's Cassini spacecraft revealed Saturn's strange secrets until it vaporized in its atmosphere. Now, fresh data points to new discoveries. Jakso 8 Kausi 7 Vuosi 2018

How are zip line brakes, silk fibre lamps, round balers, and comfort shoes made? Jakso 8 Kausi 23 Vuosi 2015

How are armoured vehicles, tension fabric buildings, rowers, and sculpture enlargements made? Jakso 9 Kausi 23 Vuosi 2015

How are mountain bike suspensions, surgical sutures, grain dryers, and frying pans made? Jakso 10 Kausi 23 Vuosi 2015

How are downhill ski bindings, immersion parts washers, mining ventilation and pencil sharpeners made? Jakso 11 Kausi 23 Vuosi 2015

How are gingerbread houses, livestock trailers, bottom-rolling hangar doors, and toy figurines made? Jakso 12 Kausi 23 Vuosi 2015

How are traffic signal poles, coffee filters, and chainsaw mining machines made? Jakso 13 Kausi 23 Vuosi 2015

A woman gets a branch imbedded in her neck, a boy almost chokes on a fishing barb and a man is filled with enough air to fill 1000 balloons. How did they survive? Jakso 3 Kausi 1 Vuosi 2012

A look at sporting heroes and heroines whose encounters with body invaders have led to near fatal experiences. Who said exercise was good for you? Jakso 4 Kausi 1 Vuosi 2012

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. Jakso 1 Kausi 2 Vuosi 2017

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

Black holes aren't simply violent monsters. New discoveries reveal their importance in creating stars, giving light, and building the universe itself. Jakso 3 Kausi 7 Vuosi 2018

Nebulas are the strange structures of cosmic gas and dust where stars are born and die. New discoveries reveal the secrets of these mysterious places. Jakso 4 Kausi 7 Vuosi 2018

Interstellar space is the space between the universe's stars. New discoveries reveal that it's not empty and unremarkable as previously thought. Jakso 5 Kausi 7 Vuosi 2018

The underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime. Experts use cutting-edge technology to uncover new evidence. Jakso 13 Kausi 4 Vuosi 2019