How It's Made: Season 21
This season started on April 4, 2013. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Rubber Gloves, Soap Carvings, Aircraft Cabinets, Motorcycle Brake Locks · 21 min | |
| 2 | Powder Horns, Handcrafted Molds, Pierogi, Inner Tubes · 21 min | |
| 3 | Lace, Antique Frame Replicas, Orchids, Unicycle Wheel Hubs · 21 min | |
| 4 | External Hard Drives, Frozen Shrimp, Thai Rice Boxes, Paper Towels · 21 min | |
| 5 | Tea, Roof Finials, Artificial Flowers, Alloy Wheels · 21 min | |
| 6 | Gel Caps, Playground Spring Riders, Frozen Pancakes, Natural Rubber · 21 min | |
| 7 | Paper Umbrellas, Coal, Aircraft Seats, Cremation Urns · 21 min | |
| 8 | Aluminum Canoes, Wooden Stave Bowls, Wheelchair Accessible Vans, Marimbas · 21 min | |
| 9 | Indy Car Seats, Paper Flowers, Stand-by Generators · 21 min | |
| 10 | Customized Knee Replacements, Leaf Springs, Lavender Essential Oil, Rivets and Rivet Tools · 21 min | |
| 11 | Cast Iron Stoves, Ultralight Aircraft, Snow Groomers, Rubber Bands · 21 min | |
| 12 | Barber Chairs, Sewage Pumps, Bimini Boat Tops, Diesel Filters · 21 min | |
| 13 | Car Tires, Silk, Art Conservation, Scuba Tanks · 21 min |
