The best film I've seen this year is Claude Lanzmann's Shoah (1985).

Everyone interested in memory repression, memory itself, the Holocaust, the banality of evil, the question of "Why" and "How" surrounding the Final Solution, the systematic structures of death used by the Nazis, collective social guilt, collective social psychology, racial disdain and global indifference to the Jewish Problem, the ethics of documentary filmmaking, of the interview as interrogator, as primary witness, language, cinematic representations of the past, trauma theory, expressions of the inexpressible...

Everyone should see it. It's nine and a half hours of riveting filmmaking, and I can't stop thinking about it.