The WORST episodes of Ultimate Factories

Every episode of Ultimate Factories ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Ultimate Factories!

Ultimate Factories also known as Megafactories is an American documentary television series that premiered in 2006 on the National Geographic Channel. The program explores the inner workings of factories worldwide. Each episode profiles the machinery and manpower behind each factory's main product, featuring close-ups, breakdowns, interviews, and side stories to show the sequence of events to produce the product in the factory. Hoff Productions was one of the principal producers of this highly successful series. It also airs in non-US markets as Megafactories.

Last Updated: 12/28/2025Network: National GeographicStatus: Ended
Dodge Viper
star
5.39
31 votes

#1 - Dodge Viper

Season 4 - Episode 3 - Aired 2/17/2011

The hand-built production car, the Dodge Viper, is born, bred and built in Detroit, Michigan. Now NGC takes a unique insider's look at the Viper factory in the current model's last year of production. This ultimate factory is comprised of craftspeople who spend two and a half days building each Viper, which is packed with 600 horsepower that can take it from zero to 60 mph in under four seconds. Without any robots on this assembly line, every Viper is truly hand-crafted.

Harley-Davidson
star
5.76
38 votes

#2 - Harley-Davidson

Season 1 - Episode 5 - Aired 1/28/2007

Harley Davidson is a legendary machine that is a symbol of freedom, adventure and the open road. Go behind the scenes of the 10-acre flagship factory in Kansas City to witness the birth of the latest model, the V-Rod, as it's built from the ground up.

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star
6.00
3 votes

#3 - Gumpert Apollo

Season 7 - Episode 11 - Aired 12/20/2012

The Gumpert Apollo Enraged - a $1 million street-legal racing car for the road. It's one of the fastest cars on Earth and one of the most exclusive. It's hand built in Germany, using some of the finest racing components Europe has to offer.

Ducati
star
6.33
33 votes

#4 - Ducati

Season 5 - Episode 9 - Aired 2/18/2012

A Ducati factory in Italy is visited for a look at the making of the Multistrada 1200 sport bike

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Bacardi
star
7.03
31 votes

#5 - Bacardi

Season 5 - Episode 8 - Aired 2/11/2012

The making of Bacardi rum is observed at a distillery in San Juan

NYC Subway Car
star
7.10
30 votes

#6 - NYC Subway Car

Season 3 - Episode 6 - Aired 11/16/2009

Join us as we follow the creation of the car that moves millions. The R-160 Subway car is the newest member of the New York City Transit fleet -- bringing 21st Century safety and technological innovations to a mass transit system over 100 years old. These innovations include LCD screen maps, a passenger emergency intercom system, soundproofing and a braking system that actually generates electricity and returns power to the third rail. It starts as sheets of metal in Sao Paulo, Brazil where human skill, fire, and steel come together to build the body shell. After a month-long voyage, the body arrives in Hornell, NY for final assembly, motor installation, and testing. Once assembled the R-160 weighs nearly 85,000 lbs and contains 24 miles of wiring. This car is built to last 40 years, to withstand the force of 1.6 billion riders per year, and survive in one of the worlds toughest environments New York City.

Porsche Panamera
star
7.10
29 votes

#7 - Porsche Panamera

Season 5 - Episode 3 - Aired 1/7/2012

A Porsche factory in Leipzig, Germany, is visited for a look at the making of the Panamera, the company's first four-door high-performance sports sedan.

Heineken
star
7.11
28 votes

#8 - Heineken

Season 5 - Episode 11 - Aired 2/25/2012

A tour of Heineken's 250-acre flagship brewery in Zoeterwoude, Netherlands

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The Mini Coupe
star
7.11
28 votes

#9 - The Mini Coupe

Season 5 - Episode 17 - Aired 4/12/2012

Follow the Mini Coupe – the Oxford plant's first ever two-seater sports vehicle – as it makes its way through the state-of-the-art Mini factory.

Lamborghini Aventador
star
7.11
28 votes

#10 - Lamborghini Aventador

Season 7 - Episode 8 - Aired 11/29/2012

Explore the production process of Lamborghini’s staggering Aventador LP 700-4, a ground-breaking speedster capable of doing 0-100kph in less than three seconds.

Winnebago
star
7.11
9 votes

#11 - Winnebago

Season 2 - Episode 4 - Aired 1/28/2008

Winnebago's motor homes, or RVs, have set the standard since the 1960s. But now they have upped the ante with their newest cross-country colossus, the Vectra. Offering 400 square feet of living space, the Vectra even includes a giant basement. From the chassis factory in Gaffney, SC, to the "Big Bertha" mega-plant in IA, visit the Ultimate Factories that create the ultimate home away from home on the open road.

Coca-Cola
star
7.12
123 votes

#12 - Coca-Cola

Season 4 - Episode 7 - Aired 3/17/2011

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Bentley
star
7.13
30 votes

#13 - Bentley

Season 4 - Episode 5 - Aired 3/3/2011

It's been 50 years since Rolls Royce created a new Bentley fit for royalty and rock stars, and it's a challenge for Bentley's ultimate factories to construct the Mulsanne, a new design of the luxury car. It takes more than 550 hours and nine weeks for artisans and technicians to create this masterpiece. Precision robots ensure that this two-and-a-half-ton luxury car's body is flawlessly molded, but the finest leather is hand-sewn for Bentley's lavish upholstery.

Watch Now:Apple TV
Maserati
star
7.13
30 votes

#14 - Maserati

Season 4 - Episode 2 - Aired 2/10/2011

An exotic car built to push performance to the edge while blending Italian elegance is crafted inside Maserati's ultimate factory. It takes 22 days for a Maserati to be assembled and considered road ready and the Maserati GranTurismo Convertible, a $135,000 convertible that tops out at more than 170 mph, is the new pinnacle of performance and comfort.

Peterbilt
star
7.20
15 votes

#15 - Peterbilt

Season 1 - Episode 3 - Aired 1/28/2007

At the Peterbilt factory in Denton, Texas, the world's most sophisticated trucks are built from scratch. Discover Peterbilt's history and drag race a big rig.

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Mack Truck
star
7.32
38 votes

#16 - Mack Truck

Season 5 - Episode 4 - Aired 1/14/2012

A Mack Truck factory in Macungie, Pa., is visited for a look at the making of the Titan, which features a high level of customization, making automating the production process nearly impossible

star
7.40
5 votes

#17 - Tecnogym

Season 8 - Episode 2 - Aired 1/1/2013

This isn't just a megafactory, it's a village. The Technogym HQ in Cesena, Italy, boasts a convention hall, library, spa and restaurant and of course a world class fitness centre.

John Deere
star
7.44
9 votes

#18 - John Deere

Season 1 - Episode 6 - Aired 1/31/2007

Covering more than 300,000 square metres, the John Deere factory houses more than 2000 employees, 49 robotic welders, eight laser cutters and 14 kilometres of overhead track, all of which help stamp, press, cut and weld 60,000 tons of steel into the John Deere STS Combine a harvesting mega-machine. To begin the process, extremely precise laser cutters are used to create a majority of this mini-factory on wheels 17,000 parts. Assemblers then create the combines 450 kilogram cylinder and its massive grain tank. The factory uses nearly 400 tonnes of welding wire each year enough wire to circle the globe. When the combine has been assembled and is ready for painting, it undergoes a seven-hour process to receive the trademark John Deere green colour. When John Deere decides to update its tractors design, the modification is first tested in the factorys state-of-the-art virtual reality lab to measure the potential impact to the assembly line process, saving both time and money. With its 21st century technology and human innovation, the John Deere mega factory shows the raw power behind one of agricultures most vital machines.

Dodge Challenger
star
7.50
2 votes

#19 - Dodge Challenger

Season 4 - Episode 1 - Aired 2/3/2011

The Season 4 opener spotlights the 2011 Dodge Challenger. The hour includes a tour of an assembly plant in Canada and a Mexican factory, where its famed Hemi engine is built.

BMW Z4
star
7.57
7 votes

#20 - BMW Z4

Season 2 - Episode 1 - Aired 11/29/2007

The name BMW is synonymous with performance, precision, engineering, a fastidious quality. Obsessively designed, owners drive the "ultimate driving machine" for the sheer pleasure of controlling a mechanical marvel on the open road and feeling G-forces in their gut. Now, NGC takes viewers inside the creation of BMW's newest sports cars: the Z4 Roadster. See first-hand how this ultimate roadster, with its unique styling and flawless quality, is built by three ultimate factories.

IKEA
star
7.79
115 votes

#21 - IKEA

Season 3 - Episode 5 - Aired 10/29/2009

In 36 countries, in 296 stores IKEA represents a distinct design and an affordable price. Each year nearly 600 million customers choose IKEA. From teaspoons to living rooms, the entire contents of a home are designed, manufactured and supplied in a huge variety of styles, colors and models... almost 10,000 items. To get the job done, suppliers in 54 countries carry out IKEAs vision. In Zbaszynek, Poland, IKEAs largest wood production plant in the world, creates 2 million tables, chairs, sofas and recliners each year. Nearby, in Nowe Skalmmierzyce, IKEAs the companys textile supplier builds over 500 pieces of upholstered furniture daily. In southern Sweden, three ultimate factories create IKEA staples. In Almhult, the prototype for every product is born and an advanced mass produced carpentry factory creates state of the art kitchens. In Kattilstorp, the classic Billy Bookcase is manufactured. And in Hultsfred, the foundation of most IKEA furnishings, the strong, hardwearing particle board is born.

Jack Daniel's
star
7.92
62 votes

#22 - Jack Daniel's

Season 4 - Episode 6 - Aired 3/10/2011

The Jack Daniel's Distillery in Lynchburg, Tennessee is visited to see how the famous whiskey is made.

Caterpillar
star
7.97
60 votes

#23 - Caterpillar

Season 2 - Episode 3 - Aired 1/28/2008

The Caterpillar 797B is so large that assembly takes place at six different locations. Tour all of the factories that build this mining Goliath.

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Frito-Lay
star
8.00
31 votes

#24 - Frito-Lay

Season 5 - Episode 6 - Aired 1/28/2012

A Frito-Lay factory in Perry, Ga., is visited for a look at the making and distribution of potato chips, cheese puffs and tortilla chips.

Fire Trucks
star
8.00
9 votes

#25 - Fire Trucks

Season 2 - Episode 6 - Aired 6/19/2008

Go inside fire trucks mammoth 800,000 sq.ft. operation, where over 1,500 highly skilled workers mix muscle and high-tech tools to create made-to-order rigs in approximately 45 days.

Watch Now:Apple TV