"Mike" wrote in message
...
In article ,
Rob wrote:

Yes, the BBC4 ones are the 30 minute XL 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

Hardly. More like: "This programme is one that used to include scenes of a
scientific nature."

James