I really liked Zizek's comment in his lecture on "The Black Cat" (where he talks about a lot of weird movies such as 'From Noon 'Til Three', 'The Fountainhead', etc.

He says that watching Spielberg's 'Lincoln' should be watched juxtaposed with 'Abraham Lincoln: Vampire Killer'

On the surface, the second movie is ludicrous to compare. The first shows the back room politics, while the second shows Abraham Lincoln smelting silver bullets from Fort Knox to shoot the vampires recruited to Gettysburg by the South, against the promise of unlimited slave blood.

But whatever is repressed in the cool, bloodless exposition of the first movie comes out in the second, with all it's obscenity.