'Five' now online for free viewing
Apparently it's been added to the Internet Archive as a public domain film. I haven't seen this film since I was a kid, when the views of the skeletons scared the crap out of me! Watching it now is definitely a weird experience.
http://www.archive.org/details/Five_1951
See my IMDb listing here: http://www.imdb.com/name/nm2482070