This is the only link I could find-

http://comedians.jokes.com/sandra-bernhard/videos/sandra-bernhard---world-record-hair-length

Another teaser video of Diane we have all seen-

Great photo compilation by crapex - ca.groups.yahoo.com/group/Admirersofverylonghair/photos/album/446676346/pic/list?mode=tn&order=ordinal&start=1&count=20&dir=asc

Not sure where to find any other videos? the woman dropped of the radar screen a long time ago.