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• S6.E1 ∙ Household Gadgets
• S6.E2 ∙ The City Beneath Our Feet
• S6.E3 ∙ The Chunnel
• S6.E4 ∙ The Space Station
• S6.E5 ∙ The Pentagon
• S6.E6 ∙ Bridges
• S6.E7 ∙ Prisons
• S6.E8 ∙ Gadgets
• S6.E9 ∙ Great Inventions
• S6.E10 ∙ Office Wonders
• S6.E11 ∙ Household Wonders
• S6.E12 ∙ Police Technology
• S6.E13 ∙ Disaster Technology
• S6.E14 ∙ Tower Bridge
• S6.E15 ∙ Concrete
• S6.E16 ∙ Camping Technology
• S6.E17 ∙ Private Planes
• S6.E18 ∙ Race Cars
• S6.E19 ∙ Traffic
• S6.E20 ∙ Buses
• S6.E21 ∙ Gold Mines
• S6.E22 ∙ Banks
• S6.E23 ∙ The Erie Canal
• S6.E24 ∙ Trucks
• S6.E25 ∙ Aswan Dam
• S6.E26 ∙ China's Great Dam
• S6.E27 ∙ The Maginot Line
• S6.E28 ∙ Video Games: Behind the Fun
• S6.E29 ∙ Body Shop: Part 1
• S6.E30 ∙ Body Shop: Part 2
• S6.E31 ∙ Machine Tools
• S6.E32 ∙ Farming Technology
• S6.E33 ∙ Assembly Lines
• S6.E34 ∙ Suez Canal
• S6.E35 ∙ The History of the London Underground
• S6.E36 ∙ Combat Training
• S6.E37 ∙ Remote Operated Vehicles
• S6.E38 ∙ Death Devices
• S6.E39 ∙ Power Plants
• S6.E40 ∙ Inventions of War
• S6.E41 ∙ Plumbing: The Arteries of Civilization
• S6.E42 ∙ Line of Defense
• S6.E43 ∙ Motorcycles
• S6.E44 ∙ Security Systems
• S6.E45 ∙ More Engineering Disasters
• S6.E46 ∙ Niagara Power
• S6.E47 ∙ Casino Technology
• S6.E48 ∙ Lost Marvels