The Great Dictator (1940)

Now, the thought of Charlie Chaplin making fun of Hitler and Nazi Germany is hilarious, but back then, it was scandalous. The first talking picture by Chaplin, it was meant to be a satire on fascism, but instead of being widely received, it was banned in Latin American countries that were Nazi sympathizers, and of course, it definitely wasn’t allowed in Germany, nor fascist Italy. Also, while in the US it was widely popular, it was also controversial because in 1940, the US was still formally at peace with Germany, and no one wanted to start anything over a funny film.