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• S13.E1 ∙ Fire
• S13.E2 ∙ Nature Tech: Avalanche
• S13.E3 ∙ Shotguns
• S13.E4 ∙ Cola Wars
• S13.E5 ∙ Containers
• S13.E6 ∙ Cotton
• S13.E7 ∙ Engineering Disasters 18
• S13.E8 ∙ Candy
• S13.E9 ∙ Engineering Disasters: New Orleans
• S13.E10 ∙ Leather
• S13.E11 ∙ Engineering Disasters 19
• S13.E12 ∙ Insulation
• S13.E13 ∙ Hi-Tech Hitler
• S13.E14 ∙ Shovels
• S13.E15 ∙ Drilling
• S13.E16 ∙ '80s Tech
• S13.E17 ∙ Ben Franklin Tech
• S13.E18 ∙ Heavy Metals
• S13.E19 ∙ Horsepower
• S13.E20 ∙ BBQ Tech
• S13.E21 ∙ Pirate Tech
• S13.E22 ∙ World's Biggest Machines 5
• S13.E23 ∙ Nuts
• S13.E24 ∙ Batteries
• S13.E25 ∙ Mummy Tech
• S13.E26 ∙ Levees
• S13.E27 ∙ Water
• S13.E28 ∙ Copper
• S13.E29 ∙ Renewable Energy
• S13.E30 ∙ Freight Trains
• S13.E31 ∙ Atlantic Intracoastal Waterway
• S13.E32 ∙ Stealth and Beyond: Sea Stealth
• S13.E33 ∙ Stealth and Beyond: Air Stealth
• S13.E34 ∙ Ink
• S13.E35 ∙ Distilleries 2
• S13.E36 ∙ World's Strongest
• S13.E37 ∙ Tomcat Sunset
• S13.E38 ∙ Tobacco
• S13.E39 ∙ The Supermarket
• S13.E40 ∙ Breakfast Tech
• S13.E41 ∙ Wine
• S13.E42 ∙ Harvesting 2
• S13.E43 ∙ Engineering Disasters 20
• S13.E44 ∙ Snow
• S13.E45 ∙ Tea
• S13.E46 ∙ Christmas Tech