About this showing of How Do They Do It?
How can steel repair itself? How do they create the world's most powerful bikes? And how is wood transformed into paper.
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Previously on TV
Previously shown on High Street TV 4 on Sat 12 Sep 2026 at 00:30.
This showing was on High Street TV 4 at 00:30 on Sat 12 Sep 2026. See future airings below or open the main programme page for the latest TV times.
How can steel repair itself? How do they create the world's most powerful bikes? And how is wood transformed into paper.
The next currently listed showing is Sun 13 Sep 2026, 07:00 on DMAX.
See all current showings