When did How Do They Do It? Season 17 Episode 4 air?
How Do They Do It? Season 17 Episode 4 aired on June 22, 2021.


An insider's look at the engineering and scientific miracles behind the things that form the modern world.
A family grows grapes on a grand scale, and engineers create new showers.
Direct answers for episode-level questions and details.
How Do They Do It? Season 17 Episode 4 aired on June 22, 2021.
This episode runs for approximately 22 minutes.
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