How It's Made Episode Ratings Heatmap
2001 · 30 Seasons · 390 Episodes · Overall Score: 9.9/10 (376 rated)
S21E1: Rubber Gloves, Soap Carvings, Aircraft Cabinets, Motorcycle Brake Locks (2 votes)
View Episode →Season 3 holds the highest collective average score across the series.
Season 3 Details →Lowest score variance (σ = 0), maintaining an average of 10.0.
Season 2 finale: "Ball Bearings, Electrical Wires, Lost Wax Process Casting, Automated Machines"
Episode Recap →Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
Ratings Analysis & Trajectory
Across 30 seasons and 390 episodes, How It's Made has earned an overall series rating of 9.9 out of 10. The series demonstrates an upward quality trajectory, with later seasons sustaining higher viewer acclaim than its debut.
The single highest-rated hour of television in the series is Season 21, Episode 1 ("Rubber Gloves, Soap Carvings, Aircraft Cabinets, Motorcycle Brake Locks"), rated at an extraordinary 10.0/10 with 2 ratings. Conversely, the lowest-rated installment is Season 1, Episode 1 ("Aluminum Foil, Snowboards, Contact Lenses, Bread"), landing at 7.8/10.
The most precipitous single-episode shift occurred in Season 7 between Episode 7 ("Crayons, Wooden Kayaks, Lawnmowers, Gold Chains", 10) and Episode 8 ("Inflatable Safety Devices, Braille Typewriters, Carbon-Fiber Cellos", 8), a swing of 2 points.
Top 10 Highest Rated Episodes of How It's Made
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 21, Ep 1 | Rubber Gloves, Soap Carvings, Aircraft Cabinets, Motorcycle Brake Locks | 10.0 | 2 | Apr 4, 2013 |
| #2 | Season 2, Ep 2 | Honey, Fiber-Optics, Bricks, Pipe Organs | 10.0 | 1 | Sep 14, 2002 |
| #3 | Season 2, Ep 3 | Personal Watercraft, Wine, Office Furniture, Ice Skates | 10.0 | 1 | Sep 21, 2002 |
| #4 | Season 2, Ep 4 | Winter Jackets, Animation, Mushrooms, Gold Rings | 10.0 | 1 | Sep 28, 2002 |
| #5 | Season 2, Ep 5 | Hydroponic Lettuce, Construction Wood, Recycling, Fishing Flies | 10.0 | 1 | Oct 12, 2002 |
| #6 | Season 2, Ep 6 | Diamond Cutting, Wood Doors, Paintballs, Newspapers | 10.0 | 1 | Oct 19, 2002 |
| #7 | Season 2, Ep 7 | Carpets, Drinking Water, Laser Eye Surgery, Acoustic Guitars | 10.0 | 1 | Oct 26, 2002 |
| #8 | Season 2, Ep 8 | Fiberglass Boats, Clothes Dryers, Bubble Gum, Fireworks | 10.0 | 1 | Nov 2, 2002 |
| #9 | Season 2, Ep 9 | Steel Safes, False Teeth, Airplanes, Maple Syrup | 10.0 | 1 | Nov 9, 2002 |
| #10 | Season 2, Ep 10 | Gummies, Aluminum Cans, Fish Farming, Bronze Sculptures | 10.0 | 1 | Nov 16, 2002 |