Third Floor Movie Mystery

When my band Third Floor broke up in December of 1989 I got into renting movies on the weekend. I had gone about 3 years not watching any movies because I was so busy with music. VCRs were new and renting movies was the new thing. I started hearing the phrase Third Floor in a lot of movies. I thought I may have been losing my mind so I started a list of the movies where I heard Third Floor in them...