How It's Made - Season 4

This episode demonstrates the production processes for plastic bottles & jars, mail, eggs, handcrafted wooden pens, and shows how each is made.

This episode demonstrates the production processes for plastic injection moulds, automotive oil filters, filing cabinets, blown glass, and shows how each is made.

This episode demonstrates the production processes for high-precision cutting tools, stained glass, semi-trailers, recorders, and shows how each is made.

This episode demonstrates the production processes for conga drums, metal plating, buttons, and shows how each is made.

This episode demonstrates the production processes for grinding wheels, compost, window blinds, milk, and shows how each is made.

This episode demonstrates the production processes for brushes & push brooms, blackboards, smoked salmon and zippers, and shows how each is made.

This episode demonstrates the production processes for 3D commercial signs, hardwood floors, corrugated polyethylene pipe and mattresses, and shows how each is made.

This episode demonstrates the production processes for ceramic tiles, nuts, steel forgings and skateboards, and shows how each is made.

Car engines, flour, recliners and envelopes: more everyday items are put under the microscope to discover how they're made.

Find out how plastic cutlery, special effects make-up, gold, and harps are produced, as more everyday objects are put under the microscope.

Laminate flooring, frozen treats and detergents: more everyday objects are put under the microscope to find out how they were made.

This episode demonstrates the production processes for architectural moldings, pulleys, industrial rubber hose and sheet vinyl flooring, and shows how each is made.

This episode demonstrates the production processes for putty knives, garage doors, electric motors and wool, and shows how each is made.