Pi
Directed By Darren Aronofsky
Philosophical Themes: Pythagoreanism;

Fight Club
Directed By David Fincher
Philosophical Themes: Nihilism;

American Beauty
Directed By Sam Mendes
Philosophical Themes: Existentialism;

2001: A Space Odyssey
Directed By Stanley Kubrick
Philosophical Themes: Humanism; Epistemology / Metaphysics;

The Matrix
Directed By Andy Wachowski & Larry Wachowski
Philosophical Themes: Skepticism; Epistemology / Metaphysics;

We have all seen the Matrix, but now look at it from a whole new perspective. The modern plot is actually reminiscent of Descartes' skeptic philosophy and his writings in Mediations I & II.