I don't know whether it's posted anywhere for download. I've watched it on TVO - sort of the Ontario version of the CBC.
I've found that I can't download American network TV shows ("outside the geographic region" dontcha know
). Whether that rule applies to UK netwrok shows I don't know.
It is an intersting show - serious about the archaelogy, but also at times it can quite funny, and every once in a while a tad gormless.
carol