Revealing mistake: When Max meets Lenny in the coffee shop, there is a McDonald's logo on the cream he opens. In some shots it's visible and others it's covered by white tape.
Pi (1998)
1 revealing mistake
Directed by: Darren Aronofsky
Starring: Mark Margolis, Ben Shenkman, Pamela Hart, Sean Gullette
Factual error: Did anyone count the pins on the "superchip" supplied by Lancet-Percy? Four. That's either a telepathic CPU or a very, very fast USB interface.
Maximillian Cohen: I'm trying to understand our world. I don't deal with petty materialists like you.
Trivia: During the second crash, the computer display is flickering with tons of garbage output. Watch carefully and you'll find a hidden message at the bottom of one of the output screens: it reads: "AND JESUS WEPT"