Core Viewpoint - The Shanghai International Film Festival is featuring three overnight screenings, including the record-breaking documentary "Shoah" by Claude Lanzmann, which lasts 568 minutes, and other notable films, providing a unique immersive experience for audiences [2][3][4][11]. Group 1: Film Highlights - "Shoah," directed by Claude Lanzmann, is a monumental documentary that took thirteen years to produce, exploring the Nazi genocide of Jews, and will be screened on June 21 at 23:00 at Shanghai Yingcheng SHO [3]. - The film "Neon Genesis Evangelion: The Final" will be shown at Shanghai Daguangming Cinema on June 21 at 23:50, with a runtime of 464 minutes, appealing to fans of the classic Japanese animation [8]. - A screening of David Lynch's works, including "Eraserhead," "Mulholland Drive," and others, will take place at Shanghai Yingcheng SHO on June 21 at 23:00, lasting 372 minutes, showcasing Lynch's unique style [11]. Group 2: Audience Engagement - The overnight screenings are designed to challenge the "artistic stamina" of viewers and commemorate significant historical anniversaries, such as the 80th anniversary of the liberation of Auschwitz [3]. - The festival's approach to "marathon-style" viewing caters to the audience's desire for immersive experiences with classic and lengthy films, reflecting the festival's commitment to film history and artistic exploration [11][15]. - Social media buzz indicates that film enthusiasts are excited about the overnight screenings, with some creating themed merchandise and organizing group viewings, enhancing community engagement [15].