A proper movie marathon deserves films with real weight and staying power — these are the ones built to be watched back to back. Documentary filmmaking at its most compelling — real stories told with the craft of great fiction. Reality, memory, identity — these films pull the floor out from under you in the best way.
There is nothing worse than picking the wrong movie for the mood. This curated list of documentary films for a movie marathon takes that risk off the table. Every pick here is that will mess with your mind — tried, tested, and worth your time. Happy watching.