Retro vintage porn [FerretFilms] Donald S. Bruce (as Donald Bryce) USA - 1978
A professor at a college gives a lecture, and shows four short films supposedly shot by aliens depicting sex. Very vaguely inspired by the Spielberg movie, though the film does show a few clay models of aliens.
Starring Marlene Munroe, Angel Ducharme (as Angelique McMeyers), Maria Tortuga, Pat Manning, Nancy Patterson, Jenny Bradly, Penny ''Butch'' Knuckles, Vicky Glick (as Vicki Glick), Cindi Rellar, Crystal Royce (as Diamond Luster), Robert Bullock, Bill Margold (as William Margold), J. Patrick, Don Scott, Dan Rathernot, Bobby Broadway, Hans Gretlia, Gerry Packard (as Jerry Patterson), R.J. Reynolds, Lee J. O'Donnell (as Lee Giberson)