I did check for you but suspect the series I recall is way too old to be digitized, but there is a newer series that might be of interest - haven't watched it - just search for "BBC science of cooking".
Maybe I'll do a quick post - some of my spice/herb experiemnts - some tasted great, others were very strange failures! Tasted good in my mind - only!
BBC Bitesize I see. About my level of intelligence. Hopefully.
I'll keep an eye out for your post