剧集
第 21 季第 1 集 - Classic Car Gauges, Chocolate Marble Cake, Ghillie Kettles & Rubber Gloves
2015年1月20日21 分钟Discover how classic car gauges are manufactured. Also, explore how chocolate marble cakes and ghillie kettles are made.免费试享 HBO Max 或购买第 21 季第 2 集 - Pasta Dies, Blueberries, Compsting Toilets, and Surge Arresters
2015年12月9日21 分钟Find out how pasta dies, blueberries, composting toilets, and surge arresters are made.免费试享 HBO Max 或购买第 21 季第 3 集 - Angle Grinders, Berry Baskets, and Omnidirectional Speakers
2016年9月4日21 分钟Discover how angle grinders and omnidirectional speakers are constructed, and see how berry baskets are crafted.订阅 Discovery+ 或 HBO Max，或购买第 21 季第 4 集 - Cartridge Blades, Chocolate Banana Loaves, Vending Machines, and Dive Computers
2016年9月11日21 分钟Discover how cartridge blades and chocolate banana loaves are produced. Also, explore the construction behind vending machines and dive computers.订阅 Discovery+ 或 HBO Max，或购买第 21 季第 5 集 - Ultra-Thin Glass, Pallet Dismantlers, Cupcakes, and Stainless Steel Tubes
2016年9月18日21 分钟Discover how ultra-thin glass and seamless, stainless steel tubes are manufactured. Also, see how pallet dismantling machines are constructed and how cupcakes are produced.订阅 Discovery+ 或 HBO Max，或购买第 21 季第 6 集 - Potash, Leather Bracelets, Wild Rice and Hex Key L Wrenches
2016年10月6日21 分钟Discover how potash and hex key wrenches are produced. Also, see how leather bracelets are crafted and how wild rice is harvested.免费试享 HBO Max 或购买第 21 季第 7 集 - Nail Files, Birch Canoes, Boat Hardtops, and High Voltage Circuit Breakers
2016年10月13日21 分钟Discover how metal nail files and boat hardtops are manufactured. Also, explore how birch canoes are crafted and see how high-voltage circuit breakers are constructed.订阅 Discovery+ 或 HBO Max，或购买第 21 季第 8 集 - Macarons, Pine Needle Baskets, and Micrometers
2016年10月19日21 分钟Discover how macarons are prepared and how pine needle baskets are handmade. Also, see how micrometers are constructed.免费试享 HBO Max 或购买第 21 季第 9 集 - Endoscopes, Megaphones, and Uranium
2016年10月26日21 分钟Discover how endoscopes and megaphones are constructed, and see how uranium is mined and processed.订阅 Discovery+ 或 HBO Max，或购买第 21 季第 10 集 - Hollow Disk Pumps, Palm Sugar, and Yachts
2016年11月2日21 分钟Discover how hollow disk pumps are manufactured and see how palm sugar is produced. Also, explore the construction behind yachts.免费试享 HBO Max 或购买第 21 季第 11 集 - Thai Barbecues, Diving Masks & Fins, and Bassoons
2016年11月27日21 分钟Find out how Thai barbecues, diving masks and fins, and bassoons are made.可供购买
