Streaming, rent, or buy How Do They Do It? – Season 4:
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20 Episodes
S4 E1 - Forest Fires, Car Exhaust, Space Station
S4 E2 - Family Car, Titanium, Letter
S4 E3 - Nuclear Sub, Crash Test Dummies, Fruit and Vegetables
S4 E4 - Land Mines, Air Boats, Warehouses
S4 E5 - Black Boxes, Steam Turbine, Racing Car
S4 E6 - Jet Engine, Weapons, Telescope
S4 E7 - To be deleted
S4 E8 - To be deleted
S4 E9 - Episode 9
S4 E10 - Episode 10
S4 E11 -
S4 E12 - Episode 12
S4 E13 - Episode 13
S4 E14 - Episode 14
S4 E15 - Episode 15
S4 E16 - Episode 16
S4 E17 - Episode 17
S4 E18 -
S4 E19 - Episode 19
S4 E20 -
Watch Now
Season 4 is not available for streaming in New Zealand. After checking 1,448 streaming services, we found the title in 48 other countries.
CC
1 Episode - 23min - English
7 Days Free
Then $5.99 / month
Streaming details for How Do They Do It? - Season 4 on Discovery+ Amazon Channel
Runtime
23min
Quality
SD
Audio languages
English
Subtitle languages
English
CC
HD
6 Episodes - 23min - English
Subscription
$9.99 / month
Streaming details for How Do They Do It? - Season 4 on HBO Max Amazon Channel
Runtime
23min
Quality
HD
Audio languages
English
Subtitle languages
English
United Kingdom 
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Synopsis
Sometimes the objects we take for granted to make our life easier are the objects with the most engineering behind them. In this next volume of How Do They Do It?, see how Peanut Butter, Shotguns, Fire Extinguishers, the Eiffel Tower, Chocolate Bars, Shoes, Gum, Whiskey, Money, Airplane Tires and so much more are produced.
Cast
Rupert Degas
Robert Llewellyn
