List of How It's Made episodes
Table:
Series Ep.

Episode

Segment A

Segment B

Segment C

Segment D

21-01
261
Rubber Gloves
Soap Carvings
Aircraft Cabinets
Motorcycle Brake Locks

21-02
262
Powder Horns
Handcrafted Moulds
Pierogies
Inner Tubes

21-03
263
Lace
Antique Frame Replicas
Orchids
Unicycle Wheel Hubs

21-04
264
External Hard Drives
Frozen Shrimp
Thai Rice Boxes
Paper Towels

21-05
265
Tea
Roof Finials
Artificial Flowers
Alloy Wheels

21-06
266
Gel Caps
Playground Spring Riders
Frozen Pancakes
Natural Rubber

21-07
267
Paper Umbrellas
Coal
Aircraft Seats
Cremation Urns

21-08
268
Aluminium Canoes
Wooden Stave Bowls
Wheelchair Accessible Vans
Marimbas

21-09
269
Indy Car Seats
Paper Flowers
Standby Generators (Part 1)
Standby Generators (Part 2)

21-10
270
Customized Knee Replacements
Leaf Springs
Lavender Essential Oil
Rivets and Rivet Tools

21-11
271
Cast Iron Stoves
Ultralight Aircraft
Snow Groomers
Rubber Bands

21-12
272
Barber Chairs
Sewage Pumps
Bimini Boat Tops
Diesel Filters

21-13
273
Car Tires
Silk
Art Conservation
Scuba Tanks

Continue reading the text: <doc> Season 21: 2013 
 Series Ep. Episode    Segment A          Segment B         Segment C          Segment D 
 21-01    261   Rubber Gloves         Soap Carvings    Aircraft Cabinets  Motorcycle Brake Locks 
 21-02    262   Powder Horns          Handcrafted Moulds Perogies         Inner Tubes 
 21-03    263   Lace                  Antique Frame Replicas Orchids      Unicycle Wheel Hubs 
 21-04    264   External Hard Drives  Frozen Shrimp    Thai Rice Boxes    Paper Towels 
 21-05    265   Tea                   Roof Finials     Artificial Flowers Alloy Wheels 
 21-06    266   Gel Caps              Playground Spring Riders Frozen Pancakes Natural Rubber 
 21-07    267   Paper Umbrellas       Coal             Aircraft Seats     sCremation Urn 
 21-08    268   Aluminium sCanoe      Wooden Stave Bowls Wheelchair Accessible Vans sMarimba


 21-09    269   Indy Car Seats        Paper Flowers    Standby Generators (Part 1) Standby Generators (Part 2) 
 21-10    270   Customized Knee Replacements Leaf Springs Lavender Essential Oil Rivets and Rivet Tools 
 21-11    271   Cast Iron Stoves      Ultralight Aircraft Snow Groomers   Rubber Bands 
 21-12    272   Barber Chairs         Sewage Pumps     Bimini Boat Tops   Diesel Filters 
 21-13    273   Car Tires             Silk             Art Conservation   Scuba Tanks