剧集
第 4 季第 1 集 - Footballs, Electric Guitar Amplifiers, Marbles, and Airplane Propellers
2006年10月2日22 分钟Explore the secrets behind footballs and marbles, and see how airplane propellers are made.订阅 Discovery+ 或 Max第 4 季第 2 集 - Engine Blocks, Jawbreakers, Drum Shells, and Drums
2006年10月2日21 分钟Discover how engine blocks, jawbreakers and drum shells are constructed, and see how drums are made.订阅 Discovery+ 或 Max第 4 季第 3 集 - Lighters, Fossils, Hockey Pucks and High-Pressure Cylinders
2006年10月4日21 分钟Explore the secrets behind lighters and hockey pucks, and see how high-pressure cylinders are made.订阅 Discovery+ 或 Max第 4 季第 4 集 - Balloons, Wallpaper, Frozen French Fries, and Incandescent Light Bulbs
2006年10月4日21 分钟Discover how balloons and wallpaper are constructed, and see how incandescent light bulbs are made.订阅 Discovery+ 或 Max第 4 季第 5 集 - Matches, Carousel Horses, Fine Porcelain, and Automobile Fuel Tanks
2006年10月9日21 分钟Explore the secrets behind matches and fine porcelain, and see how automobile fuel tanks are made.订阅 Discovery+ 或 Max第 4 季第 6 集 - Glass Cookware, Soap Bars, Steel Drums, and Firefighter Uniforms
2006年10月9日21 分钟Discover how soap bars and steel drums are constructed, and see how firefighter uniforms are made.订阅 Discovery+ 或 Max第 4 季第 7 集 - Crayons, Wooden Kayaks, Lawn Mowers, and Gold Chains
2006年10月11日21 分钟Explore the secrets behind crayons, wooden kayaks and lawn mowers, and see how gold chains are made.订阅 Discovery+ 或 Max第 4 季第 8 集 - Inflatable Safety Devices, Braille Typewriters, and Carbon Fiber Cellos
2006年10月11日21 分钟Discover how safety devices and braille typewriters are constructed.订阅 Discovery+ 或 Max第 4 季第 9 集 - Carbon Fibre Masts, Fortune Cookies, IMAX Projectors, and Roller Chains
2006年10月16日21 分钟Explore the secrets behind fortune cookies and IMAX projectors, and see how roller chains are made.订阅 Discovery+ 或 Max第 4 季第 10 集 - Firefighter Helmets, Nautical Compasses, Packaging Tubes, and Hand Saws
2006年10月16日21 分钟Explore how firefighter helmets and packaging tubes are constructed, and see how hand saws are made.订阅 Discovery+ 或 Max第 4 季第 11 集 - Halogen Bulbs, Cellulose Insulation, Aluminum Ladders, and Bamboo Fly Rods
2006年10月18日21 分钟Explore the secrets behind halogen bulbs and cellulose insulation.订阅 Discovery+ 或 Max第 4 季第 12 集 - Drill Bits, Photo Booths and Stamps
2006年10月18日21 分钟Discover how drill bits and photo booths are manufactured. Also, see how stamps are made.订阅 Discovery+ 或 Max第 4 季第 13 集 - Yacht Wheels, Braided Rugs, Automobile Thermostats and Chisels
2006年10月23日21 分钟Explore the secrets behind yacht wheels and automobile thermostats, and see how chisels are made.订阅 Discovery+ 或 Max第 4 季第 14 集 - Fur Tanning, Photographs, Welding Electrodes and Electric Violins
2007年2月4日21 分钟Discover how fur tanning and photographs are manufactured. Also, see how electric violins are made.订阅 Discovery+ 或 Max第 4 季第 15 集 - Glass Bottles, Hacksaws and Goalie Masks
2007年1月8日21 分钟Explore the secrets behind glass bottles and hacksaws, and see how goalie masks are made.订阅 Discovery+ 或 Max第 4 季第 16 集 - Lacrosse Sticks, Frozen Fish Products, Flashlights and Paintbrushes
2007年2月10日21 分钟Discover how lacrosse sticks and flashlights are manufactured. Also, see how paintbrushes are made.订阅 Discovery+ 或 Max第 4 季第 17 集 - Battery Tins and Optical Lenses
2007年2月7日21 分钟Explore the secrets behind battery tins, and see how optical lenses are made.订阅 Discovery+ 或 Max第 4 季第 18 集 - Horseshoes, Dishwashers, Graphite Fly Rods and Frozen Pizzas
2007年2月11日21 分钟Discover how horseshoes and dishwashers are manufactured. Also, see how frozen pizzas are made.订阅 Discovery+ 或 Max第 4 季第 19 集 - Pistons, Paint Rollers, Parachutes and Chimneys
2007年2月12日21 分钟Explore the secrets behind pistons, paint rollers and parachutes, and see how chimneys are made.订阅 Discovery+ 或 Max第 4 季第 20 集 - CO2 Cartridges, Pretzels, Scissor Lifts and Skating Rinks
2007年2月14日21 分钟Discover how CO2 cartridges and pretzels are manufactured. Also, see how skating rinks are made.订阅 Discovery+ 或 Max第 4 季第 21 集 - Hockey Sticks, Baby Shoe Bronzing, Treadmills, Hand-Held Computers
2007年2月14日21 分钟Explore the secrets behind hockey sticks and treadmills, and see how hand-held computers are made.订阅 Discovery+ 或 Max第 4 季第 22 集 - Motorcycles, Clay Pipes, Drum Sticks and Whistles
2007年2月23日21 分钟Discover how motorcycles and clay pipes are manufactured. Also, see how whistles are made.订阅 Discovery+ 或 Max第 4 季第 23 集 - Handcuffs, Caulking Compound, and Facial Reconstruction
2007年2月17日21 分钟Discover how handcuffs are forged, caulking and joint compound are made, propane tanks are filled and forensic facial reconstruction is done.订阅 Discovery+ 或 Max第 4 季第 24 集 - Fur Coat, a Hearse, Outdoor Lighting Fixtures and a Golf Tee
2007年2月24日22 分钟Discover how a fur coat and a hearse are manufactured. Also, see how a golf tee is made.订阅 Discovery+ 或 Max第 4 季第 25 集 - Fishing Reels, Miniature Houses, and Kitchen Mixers
2007年2月21日21 分钟Explore the secrets behind fishing reels and miniature houses, and see how kitchen mixers are made.订阅 Discovery+ 或 Max
