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The Worst Episodes of How It's Made

Every episode of How It's Made ranked from worst to best. Explore the Worst Episodes of How It's Made!

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Have you ever wondered how the products you use every day are made? How It's Made leads you through the process of how everyday products, such as apple juice, skateboards, engines, contact lenses, and many

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Episode Rankings

  1. #1 Worst Episode
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    How It's Made Season 25 Episode 5 - Precast Concrete Walls, 3D Printers, Telescopic Cranes, Kerosene Lamp Burners
    0.0/10(0 votes)

    #1 - Precast Concrete Walls, 3D Printers, Telescopic Cranes, Kerosene Lamp Burners

    S25:E5

    Steel reinforcement is positioned inside reusable moulds before concrete is poured and cured into prefabricated wall panels. Frames, motion systems, print heads and electronics are assembled and calibrated as 3D printers; nested boom sections and hydraulic equipment become telescopic cranes; and formed metal parts are joined with wick-adjustment mechanisms to make kerosene-lamp burners.

    Director:Unknown
    Writer:Unknown

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  2. How It's Made Season 25 Episode 7 - Handcrafted Skis, Septic Tanks, Hydroformed Chassis Parts, Aquarium Windows
    0.0/10(0 votes)

    #2 - Handcrafted Skis, Septic Tanks, Hydroformed Chassis Parts, Aquarium Windows

    S25:E7

    Wooden cores are layered with reinforcing materials, bases and edges before being pressed and shaped into handcrafted skis. Tank bodies are moulded or cast and fitted with access openings and internal partitions; high-pressure fluid forces metal blanks into dies to create lightweight chassis parts; and thick transparent panels are cast, machined and polished into aquarium windows.

    Director:Unknown
    Writer:Unknown

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  3. How It's Made Season 28 Episode 7 - Metal Nail Files, Birch Bark Canoes, Cruiser Boat Hardtops, High-Voltage Circuit Breakers
    0.0/10(0 votes)

    #3 - Metal Nail Files, Birch Bark Canoes, Cruiser Boat Hardtops, High-Voltage Circuit Breakers

    S28:E7

    Steel blanks are cut, textured, hardened and finished to produce durable metal nail files. Sheets of birch bark are fitted around a wooden framework and reinforced with ribs to create traditional canoes; composite materials are moulded and finished into hardtops for cruiser boats; and insulated contacts and interruption mechanisms are assembled into high-voltage circuit breakers.

    Director:Unknown
    Writer:Unknown

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  4. How It's Made Season 29 Episode 8 - Flying Water Bikes, Throttle Position Sensors, Cinnamon Cordial, Handmade Rasps
    0.0/10(0 votes)

    #4 - Flying Water Bikes, Throttle Position Sensors, Cinnamon Cordial, Handmade Rasps

    S29:E8

    Lightweight frames, pedal-driven propulsion systems and hydrodynamic supports are assembled into water bikes designed to rise above the surface as they gain speed. Electronic sensing elements are calibrated inside throttle-position sensors; cinnamon is infused into a sweetened spirit before filtering and bottling; and steel blanks receive individually raised cutting teeth before being hardened and fitted with handles as handmade rasps.

    Director:Unknown
    Writer:Unknown

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  5. How It's Made Season 25 Episode 8 - Zip Line Brakes, Silk Fiber Lamps, Round Balers, Comfort Shoes
    6.0/10(20 votes)

    #5 - Zip Line Brakes, Silk Fiber Lamps, Round Balers, Comfort Shoes

    S25:E8

    Machined braking assemblies are built and tested to slow zip-line riders safely near the end of a run. Silk fibres are layered and bonded over shaped forms to create translucent lamps; pickup reels, belts, rollers and wrapping equipment are assembled into round balers; and supportive uppers, cushioning and shaped soles are joined to produce comfort shoes.

    Director:Unknown
    Writer:Unknown

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  6. How It's Made Season 25 Episode 11 - Downhill Ski Bindings, Immersion Parts Washers, Mining Ventilation, Pencil Sharpeners
    6.1/10(17 votes)

    #6 - Downhill Ski Bindings, Immersion Parts Washers, Mining Ventilation, Pencil Sharpeners

    S25:E11

    Moulded and machined components are fitted with springs and release mechanisms to create downhill ski bindings. Tanks, pumps, heaters and cleaning systems are assembled into immersion parts washers; powerful fans and ducting move fresh air through mines; and sharpened steel blades are mounted in precisely formed housings to make pencil sharpeners.

    Director:Unknown
    Writer:Unknown

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  7. How It's Made Season 25 Episode 13 - Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines
    6.2/10(19 votes)

    #7 - Traffic Signal Poles, Coffee Filters, Chainsaw Mining Machines

    S25:E13

    Metal tubes and structural sections are formed, welded, protected against corrosion and prepared to support traffic signals. Porous paper is formed, cut, pleated or crimped into disposable coffee filters, while heavy steel frames, drive systems and chains fitted with cutting teeth are assembled into machines that cut through rock and mineral deposits.

    Director:Unknown
    Writer:Unknown

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  8. How It's Made Season 26 Episode 6 - Sharpening Steels, Bladder Pumps, Ironing Boards, Kayak Paddles
    6.3/10(18 votes)

    #8 - Sharpening Steels, Bladder Pumps, Ironing Boards, Kayak Paddles

    S26:E6

    Steel rods are cut, hardened and given finely textured surfaces before receiving protective handles to become knife-sharpening steels. Flexible bladders, valves and housings are assembled into pumps used for controlled fluid transfer; perforated metal tops are fitted with padding and folding legs to make ironing boards; and lightweight shafts and blades are shaped into kayak paddles.

    Director:Unknown
    Writer:Unknown

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  9. How It's Made Season 26 Episode 12 - Exercise Bikes, Cornish Pasties, Pasta Makers, Slate Products
    6.4/10(15 votes)

    #9 - Exercise Bikes, Cornish Pasties, Pasta Makers, Slate Products

    S26:E12

    Steel frames are equipped with pedals, flywheels, resistance mechanisms and electronic controls to produce stationary exercise bikes. Pastry is filled with meat and vegetables, folded and crimped into Cornish pasties; gears, rollers and cutting attachments are assembled into pasta-making machines; and quarried slate is split, cut and finished into durable household and architectural products.

    Director:Unknown
    Writer:Unknown

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  10. How It's Made Season 29 Episode 7 - Artist Brushes, DEF Tank Heaters, Game Tables, Art Glass Wall Sconces
    6.4/10(16 votes)

    #10 - Artist Brushes, DEF Tank Heaters, Game Tables, Art Glass Wall Sconces

    S29:E7

    Carefully selected natural or synthetic bristles are aligned, secured in ferrules and attached to shaped handles to create artists’ brushes. Heating elements and controls are assembled into devices that prevent diesel exhaust fluid from freezing; precision playing surfaces, frames and mechanisms become game tables; and hand-worked decorative glass is fitted to metal supports to produce wall sconces.

    Director:Unknown
    Writer:Unknown

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  11. How It's Made Season 24 Episode 2 - Oil Lamps, Chocolate Mints, Underfloor Heating, Pillows
    6.5/10(15 votes)

    #11 - Oil Lamps, Chocolate Mints, Underfloor Heating, Pillows

    S24:E2

    Metal or glass reservoirs are fitted with wicks, burners and protective chimneys to create oil lamps. Mint-flavoured centres are formed and coated with chocolate; heating cables or tubing are arranged beneath flooring to provide radiant heat; and fabric covers are sewn, filled and finished as pillows.

    Director:Unknown
    Writer:Unknown

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  12. How It's Made Season 25 Episode 9 - Armored Vehicles, Tension Fabric Buildings, Rowers, Sculpture Enlargements
    6.5/10(18 votes)

    #12 - Armored Vehicles, Tension Fabric Buildings, Rowers, Sculpture Enlargements

    S25:E9

    Vehicle interiors and bodywork are reinforced with ballistic materials and protective glass to create armoured vehicles. Steel frameworks are covered with tightly stretched architectural membranes to form tension-fabric buildings; frames, sliding seats, handles and resistance mechanisms become rowing machines; and small sculptural models are measured and reproduced at monumental scale.

    Director:Unknown
    Writer:Unknown

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  13. How It's Made Season 26 Episode 9 - Industrial Casters, Wedding Cakes, Terahertz Spectrometers, Racing Catamarans
    6.5/10(18 votes)

    #13 - Industrial Casters, Wedding Cakes, Terahertz Spectrometers, Racing Catamarans

    S26:E9

    Heavy-duty wheels are moulded or machined before being fitted with bearings, axles and swivelling metal frames to form industrial casters. Cakes are baked, stacked, covered and intricately decorated for weddings; precision optical and electronic components are calibrated to create terahertz spectrometers; and lightweight composite hulls, crossbeams, masts and rigging are assembled into racing catamarans.

    Director:Unknown
    Writer:Unknown

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  14. How It's Made Season 18 Episode 5 - Wax Figures, Awnings, Sandwich Crackers, Pewter Tankards
    6.6/10(20 votes)

    #14 - Wax Figures, Awnings, Sandwich Crackers, Pewter Tankards

    S18:E5

    Detailed sculptures and moulds are used to create lifelike wax figures, which are completed with painted features and individually applied hair. Weather-resistant fabric is cut and mounted on folding frames to make awnings, crisp crackers are baked and paired around a measured layer of filling, and molten pewter is formed and polished into traditional tankards.

    Director:Unknown
    Writer:Unknown

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  15. How It's Made Season 21 Episode 12 - Barber Chairs, Sewage Pumps, Bimini Boat Tops, Diesel Filters
    6.6/10(17 votes)

    #15 - Barber Chairs, Sewage Pumps, Bimini Boat Tops, Diesel Filters

    S21:E12

    Steel frames, hydraulic lifting mechanisms, padding and upholstery are assembled into adjustable barber chairs. Motors and impellers are enclosed in corrosion-resistant housings to create sewage pumps; marine fabric is measured and sewn to fit folding frames for Bimini boat tops; and porous filter elements are enclosed in steel housings to remove soot from diesel exhaust.

    Director:Unknown
    Writer:Unknown

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  16. How It's Made Season 25 Episode 12 - Gingerbread Houses, Livestock Trailers, Bottom Rolling Hangar Doors, Toy Figurines
    6.6/10(17 votes)

    #16 - Gingerbread Houses, Livestock Trailers, Bottom Rolling Hangar Doors, Toy Figurines

    S25:E12

    Sheets of gingerbread dough are cut, baked and joined with icing before receiving elaborate decorations. Reinforced frames, wall panels, gates, ventilation and running gear are assembled into livestock trailers; large structural door sections are fitted with bottom-mounted rollers and drive systems for aircraft hangars; and moulded figurines are trimmed, assembled and painted.

    Director:Unknown
    Writer:Unknown

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  17. How It's Made Season 29 Episode 10 - Berets, Pastis, Stationary Bikes
    6.6/10(12 votes)

    #17 - Berets, Pastis, Stationary Bikes

    S29:E10

    Wool is knitted into oversized circular forms that are felted, shrunk, dyed and shaped into berets. Anise and other botanicals are blended with alcohol, water and sugar to make pastis, while steel frames, flywheels, pedals, resistance mechanisms and electronic displays are assembled into stationary exercise bikes.

    Director:Unknown
    Writer:Unknown

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  18. How It's Made Season 8 Episode 5 - Horseshoes, Dishwashers, Graphite Fly Rods, Frozen Pizzas
    6.7/10(22 votes)

    #18 - Horseshoes, Dishwashers, Graphite Fly Rods, Frozen Pizzas

    S8:E5

    Steel is shaped and finished into horseshoes, pumps, racks and controls are assembled into dishwashers, graphite composite material is formed into lightweight fly-fishing rods, and prepared dough, sauce and toppings are assembled and frozen into pizzas.

    Director:Unknown
    Writer:Unknown

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  19. How It's Made Season 18 Episode 8 - Tapioca Pudding, Snow Ploughs, Paddle Boats, Fibre Cement Siding
    6.7/10(20 votes)

    #19 - Tapioca Pudding, Snow Ploughs, Paddle Boats, Fibre Cement Siding

    S18:E8

    Tapioca pearls are cooked with dairy ingredients and sweeteners to produce a smooth packaged pudding. Heavy steel plates are cut, curved and welded into snow ploughs; moulded hulls are fitted with pedal-driven propulsion systems to make paddle boats; and cement reinforced with cellulose fibres is formed, cured and finished as exterior siding.

    Director:Unknown
    Writer:Unknown

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  20. How It's Made Season 18 Episode 10 - Cufflinks, Blueberry Turnovers, Dashboards, Earthenware Pottery
    6.7/10(18 votes)

    #20 - Cufflinks, Blueberry Turnovers, Dashboards, Earthenware Pottery

    S18:E10

    Small metal components are cast or cut, joined and polished to create decorative cufflinks. Pastry is folded around blueberry filling and baked into turnovers, moulded structures are fitted with instruments and electronics to form vehicle dashboards, and shaped clay is dried, glazed and fired into earthenware pottery.

    Director:Unknown
    Writer:Unknown

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  21. How It's Made Season 23 Episode 11 - Slate Tiles, Hot Dog Carts, Garage Door Openers, Bicycle Seats
    6.7/10(18 votes)

    #21 - Slate Tiles, Hot Dog Carts, Garage Door Openers, Bicycle Seats

    S23:E11

    Natural slate is split into thin layers, cut to size and finished as durable roofing or flooring tiles. Stainless-steel bodies, cooking equipment and storage compartments are assembled into hot dog carts; motors, tracks and remote-control electronics become garage-door openers; and moulded bases, padding and covers are combined to produce bicycle seats.

    Director:Unknown
    Writer:Unknown

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  22. How It's Made Season 25 Episode 4 - Storage Sheds, Industrial Fans, Parchment Paper, Climbing Walls
    6.7/10(18 votes)

    #22 - Storage Sheds, Industrial Fans, Parchment Paper, Climbing Walls

    S25:E4

    Framed wall, roof and floor sections are prepared and assembled into weather-resistant storage sheds. Metal blades are balanced and fitted to motors and protective housings to create industrial fans; paper is treated and coated for use in high-temperature baking; and structural panels are textured, drilled and fitted with removable holds to construct climbing walls.

    Director:Unknown
    Writer:Unknown

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  23. How It's Made Season 25 Episode 10 - Mountain Bike Suspensions, Surgical Sutures, Grain Dryers, Frying Pans
    6.7/10(19 votes)

    #23 - Mountain Bike Suspensions, Surgical Sutures, Grain Dryers, Frying Pans

    S25:E10

    Precision tubes, springs, dampers and seals are assembled and tested as mountain-bike suspension systems. Fine medical fibres are formed or braided, attached to needles and sterilized as surgical sutures; burners, fans and large enclosures become grain dryers; and metal blanks are pressed or spun into frying pans before handles and surface finishes are applied.

    Director:Unknown
    Writer:Unknown

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  24. How It's Made Season 26 Episode 7 - Champagne Hoods & Foils, Pneumatic Systems, Espresso Machines, Pizza Ovens
    6.7/10(19 votes)

    #24 - Champagne Hoods & Foils, Pneumatic Systems, Espresso Machines, Pizza Ovens

    S26:E7

    Wire is formed into the cages that secure champagne corks, while decorative foils are cut and shaped to cover the bottle necks. Networks of tubes, blowers and carriers are assembled into pneumatic delivery systems; boilers, pumps and group heads are calibrated inside espresso machines; and insulated chambers lined with heat-resistant materials become high-temperature pizza ovens.

    Director:Unknown
    Writer:Unknown

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  25. How It's Made Season 26 Episode 13 - Channel Signs, Wetsuits, Aluminum Aircraft
    6.7/10(15 votes)

    #25 - Channel Signs, Wetsuits, Aluminum Aircraft

    S26:E13

    Metal strips are bent and joined into three-dimensional letters before receiving translucent faces and internal lighting to create channel signs. Neoprene sheets are laminated, cut and glued or stitched into close-fitting wetsuits, while aluminum structural members and skin panels are shaped, drilled and riveted together before the aircraft’s engine, controls and other systems are installed.

    Director:Unknown
    Writer:Unknown

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Worst Episodes Summary

"Precast Concrete Walls, 3D Printers, Telescopic Cranes, Kerosene Lamp Burners" is the worst rated episode of "How It's Made". It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 4/30/2015. This episode scored 0.0 points lower than the second lowest rated, "Handcrafted Skis, Septic Tanks, Hydroformed Chassis Parts, Aquarium Windows".