Margolis, later a top helmer of television events and awards shows, catches Pryor’s brilliant return to stand-up in December 1978. The movie set the bar high for generations of writer/performers and remains the best of Pryor’s concert films; Kael marveled that when he “tells us about his heart attack, he is, in almost the same instant, the helpless body being double-crossed by its heart, the heart itself, a telephone operator, and Pryor the aloof, dissociated observer.”