The discussion centers around the emotional impact of various films, particularly those deemed depressing or disturbing. "Requiem for a Dream" is frequently mentioned as a profoundly unsettling film that evokes feelings of despair, with several participants expressing a reluctance to watch it again despite its artistic merit. Other films like "Das Boot," "Amadeus," and "Charlie" (based on "Flowers for Algernon") are also highlighted for their heavy emotional weight. The conversation touches on the subjective nature of film experiences, with some participants preferring lighter genres like comedies and adventures, while others appreciate the depth of darker narratives. David Lynch's "Eraserhead" is noted for its disturbing qualities, and discussions about the Holocaust in films like "Schindler's List" lead to debates about the portrayal of historical events in cinema. Overall, the thread reflects a diverse range of opinions on how films can evoke strong emotional responses, whether through sadness, discomfort, or introspection.