In article ,
Rob wrote:

Yes, the BBC4 ones are the 30 minute XL version (or should one say the
NSBS [Not So Bloody Short] version?) and contain a bit more material
which is edited out of the initial late night BBC1 showing.

That's the one preceded by the ...

Warning: This programme contains scenes of a scientific nature that
may upset some viewers
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Mike Brown: mjb[-at-]signal11.org.uk | http://www.signal11.org.uk

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