A current theatrical release of Monty Python and the Holy Grail, with a stereo soundtrack and missing footage, screens at 7:30 p.m., Friday, May 20. Rocky is shown at 7:30 p.m., Saturday, June 18, and 2 p.m., Sunday, June 19. Saturday Night Fever screens at 7:30 p.m., Friday and Saturday, June 24 and 25. American Graffiti will be shown over the July 4 weekend, at times TBA. $8; $6 student, senior or active-duty military. Call for more information.