How It's Made — Season 4

Episodes

• E1 Plastic Bottles and Jars, Mail, Eggs, Handcrafted Wooden Pens2005-01-0410.0
• E2 Plastic Injection Moulds, Automotive Oil Filters, Filing Cabinets, Blown Glass2005-01-1110.0
• E3 High-Precision Cutting Tools, Stained Glass, Semi-Trailers, Recorders2005-01-1810.0
• E4 Conga Drums, Metal Plating, Buttons2005-01-2510.0
• E5 Grinding Wheels, Compost, Window Blinds, Milk2005-02-0110.0
• E6 Brushes and Push Brooms, Blackboards, Smoked Salmon, Zippers2005-02-0810.0
• E7 3D Commercial Signs, Hardwood Floors, Corrugated Polyethylene Pipe, Mattresses2005-02-1510.0
• E8 Ceramic Tiles, Nuts, Steel Forgings, Skateboards2005-02-2210.0
• E9 Car Engines, Flour, Recliners, Envelopes2005-03-0110.0
• E10 Plastic Cups and Cutlery, Special Effects Makeup, Gold, Harps2005-03-0810.0
• E11 Countertop Laminate, Frozen Treats, Children's Building Blocks, Detergents2005-03-1510.0
• E12 Architectural Moldings, Pulleys, Industrial Rubber Hose, Sheet Vinyl Flooring2005-03-2210.0
• E13 Putty Knives, Garage Doors, Electric Motors, Wool2005-03-2910.0