Drainiac! (2000)

A nude female ghost dances in a dark room, showing her breasts and butt, while people watch.

A woman in a bathroom pulls of her shirt, revealing her breasts, and slips off her panties (below camera angle). Then she gets into the bath, showing her butt, where she relaxes as the camera shows off her breasts.

A second nude female spirit dances during the closing credits. Her body is obscured by foggy effects so it's hard to see her body.