Freely viewable online!

This film, alongside hundreds of other videos and b-movies which copyrights are expired, is freely downloadable in different formats on the Archive.org website.

Up until a while ago IMDb used to have the links for the site in the "videos" section but it seems they have been replaced in favour of a different site, which is subscription-only (you draw your own conclusions).

Anyway here's the link for the full movie, enjoy! (I did, somewhat.):

http://archive.org/details/Cat_Women_of_the_Moon