When did How Do They Do It? Season 4 Episode 1 air?
How Do They Do It? Season 4 Episode 1 aired on April 11, 2007.


An insider's look at the engineering and scientific miracles behind the things that form the modern world.
Go beneath the surface to understand forest fires, car exhaust and the space station.
Direct answers for episode-level questions and details.
How Do They Do It? Season 4 Episode 1 aired on April 11, 2007.
This episode runs for approximately 22 minutes.
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