Thank God It's Friday (1978)

 

Directed by Robert Klane. Found on Tubi. Jeff Goldblum, Donna Summer, Debra Winger. Disco.

https://en.wikipedia.org/wiki/Thank_God_It%27s_Friday_(film) 

http://www.rogerebert.com/reviews/thank-god-its-friday-1978

https://www.dvdtalk.com/dvdsavant/s1950god.html

https://every70smovie.blogspot.com/2011/03/thank-god-its-friday-1978.html 

https://www.thespinningimage.co.uk/cultfilms/displaycultfilm.asp?reviewid=6746