Underground World, Gunmakers
Head underground into America's largest mine to find out how lead is extracted. And how do they manufacture and test made-to-measure shotguns?
2010-06-04 22mNow playing
Season 7 · 20 episodes · 1 credit each

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Head underground into America's largest mine to find out how lead is extracted. And how do they manufacture and test made-to-measure shotguns?
2010-06-04 22mNow playingHow do they operate the world's most versatile construction machines? Plus, how do they maintain the Willis Tower Skydeck in Chicago?
2010-06-10 22mHow are peanuts harvested, roasted and transformed into peanut butter; and how are domestic appliances tested?
2010-06-11 22mHow do they mine marble for Washington's monuments; how do they make Tabasco Sauce; and how do they produce storm proof umbrellas?
2010-06-18 22mHow do they make Irish stout and how do they use silkworms to create gunpowder bags and clothes? Plus, how do they put soup into cans?
2010-06-25 22mHow are phosphates used to put out fires; and how are cruise liners fuelled up and stocked with supplies before a voyage?
2010-07-02 22mHow do they make aeroplane tyres; how do they fire the fastest guns in the west; and how do they make artificial turf for football pitches?
2010-07-09 22mIn this episode, learn how they dive for sponges and how taxi drivers know their way to so many different destinations.
2010-07-16 22mHow do they transport cash securely; how do they land big game fish; and how do they produce bagpipes?
2010-07-23 22mHow do they design cars that will protect you in a crash; how do they print a bestseller; and how do they transform oil into margarine?
2010-07-30 22mHow is water transformed into whisky; and how are they preparing for another natural disaster like Hurricane Katrina?
2010-08-06 22mHow do they transform raw cane into sugar; how do they farm fish; and how do they create tailor made suits that are ready within the day?
2010-08-13 22mHow are banknotes designed and printed; and how is leather hide transformed into pairs of shiny shoes?
2010-08-20 22mHow do they make toothbrushes; how do they produce millions of car batteries; and how are cacao beans transformed into chocolate?
2010-08-27 22mHow do they carry out maintenance on the Eiffel Tower; and how do they design and build the ultimate snowboards?
2010-09-03 22mHow do they turn coffee beans into decaffeinated coffee; how do they smoke fish; and how do they use water to power ships?
2010-09-10 22mHow do investigators establish the cause of a fire; and why are oak barrels important in traditional French winemaking?
2010-09-17 22mHow do they build the world's fastest lawnmowers; how do they set the price of bread; and how do they use coconuts to clean water?
2010-09-24 22mHow do they produce millions of matches; and how do they buff and polish chrome for the perfect shine?
2010-10-01 22mHow do they build the best off-road cars; how can cowboys stay on a bucking bronco; and how do they transform flour into cakes?
2010-10-08 22mEach episode costs 1 credit. Credits are $1 each, and unlocked episodes stay in your account permanently.
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This season has 20 episodes. They are listed in order below and the player advances automatically when an episode ends.