How It's Made: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of How It's Made Season 3.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Episode Guide
Season 4 Progress Shield
Plastic Bottles and Jars, Mail, Eggs, Handcrafted Wooden Pens
Jan 4, 2004 · 21 min
Plastic is heated and formed into bottles and jars, letters and parcels are processed through an automated postal facility, eggs are collected, inspected and packaged, and selected
Plastic Injection Moulds, Automotive Oil Filters, Filing Cabinets, Blown Glass
Jan 11, 2004 · 21 min
Precision metal tooling is machined into plastic injection moulds, filter media and metal components are assembled into automotive oil filters, sheet steel is cut and formed into f
High-Precision Cutting Tools, Stained Glass, Semi-Trailers, Recorders
Jan 18, 2004 · 21 min
Hard industrial materials are shaped and sharpened into high-precision cutting tools, colored glass is cut and joined into stained-glass panels, structural components are assembled
Conga Drums, Metal Plating, Buttons
Jan 25, 2004 · 21 min
Wooden staves are joined and fitted with hardware and drumheads to make conga drums, objects receive decorative or protective metallic coatings through electroplating, and a range
Grinding Wheels, Compost, Window Blinds, Milk
Feb 1, 2004 · 21 min
Abrasive grains and bonding materials are pressed and fired into grinding wheels, organic waste is decomposed and processed into compost, slats and operating mechanisms are assembl
Brushes and Push Brooms, Blackboards, Smoked Salmon, Zippers
Feb 8, 2004 · 21 min
Bristles are inserted and secured in handles and blocks to produce brushes and push brooms, smooth writing surfaces are manufactured into blackboards, salmon is cured and smoked, a
3D Commercial Signs, Hardwood Floors, Corrugated Polyethylene Pipe, Mattresses
Feb 15, 2004 · 21 min
Plastic and metal are cut and formed into three-dimensional commercial signs, hardwood is dried, milled and finished into flooring, molten polyethylene is extruded into corrugated
Ceramic Tiles, Nuts, Steel Forgings, Skateboards
Feb 22, 2004 · 21 min
Clay is pressed, decorated, glazed and fired into ceramic tiles, edible nuts are harvested and prepared for sale, heated steel is shaped under pressure into strong forged component
Car Engines, Flour, Recliners, Envelopes
Feb 29, 2004 · 21 min
Machined blocks, pistons and other components are assembled into automobile engines, grain is cleaned and milled into flour, frames and reclining mechanisms are padded and upholste
Plastic Cups and Cutlery, Special Effects Makeup, Gold, Harps
Mar 7, 2004 · 21 min
Plastic is thermoformed or molded into disposable cups and cutlery, prosthetics and cosmetics are prepared for special-effects makeup, ore is processed and refined into gold, and c
Countertop Laminate, Frozen Treats, Children's Building Blocks, Detergents
Mar 14, 2004 · 21 min
Decorative paper and resin are layered and pressed into countertop laminate, flavored mixtures are prepared and frozen into treats, plastic is injection-molded into children’s buil
Architectural Moldings, Pulleys, Industrial Rubber Hose, Sheet Vinyl Flooring
Mar 21, 2004 · 21 min
Wood and composite stock are cut into decorative architectural mouldings, metal components are cast and machined into commercial pulleys, reinforced rubber is built into industrial
Putty Knives, Garage Doors, Electric Motors, Wool
Mar 28, 2004 · 21 min
Flexible steel blades are fitted with handles to make putty knives, panels and operating hardware are assembled into garage doors, copper windings and magnetic components are combi