About this showing of How Do They Do It?
How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows.
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Previously on TV
Previously shown on Quest on Thu 3 Sep 2026 at 23:30.
This showing was on Quest at 23:30 on Thu 3 Sep 2026. See future airings below or open the main programme page for the latest TV times.
How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows.
The next currently listed showing is Sun 6 Sep 2026, 06:00 on DMAX.
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