Honestly I don't know. I love my WW2 films. I'd say Downfall was superb the Germans sure do make good war films. On that note Stalingrad was great too. SPR was good in the action elements. Conspiracy was good on a Downfall type note where it was more of a dry non-action packed film but an interesting insight on the whole planning of the Final Solution ordeal. Kelly's Heroes was funny on the comical note. I guess I cannot pick just one film.