I know it's not really about Bushcraft per se, but it's interesting to what equipment and just the huge number of people taking an interest in the great outdoors. Any way found it on BBCiPlayer here's a link to it, hope it works.
http://www.bbc.co.uk/iplayer/episode/b00k9c1p/Youth_Hostelling_The_First_100_Years/
http://www.bbc.co.uk/iplayer/episode/b00k9c1p/Youth_Hostelling_The_First_100_Years/