12 Most Anxiety-Inducing Sci-Fi Movies EVER

There's no way Tetsuo could be the lone black and white nightmare listed on here, so lucky that mother! helmer Darren Aronofsky's debut feature film is on hand to make number theory terrifying.

A strangely hypnotic and eventually genuinely unsettling experience, Pi follows a mathematician looking to uncover the secret number which will prove the existence of God and the natural order of all things.

So far, so Da Vinci Code, only things turn out a lot less Dan Brown and more brown pants throughout the cinema aisles as this tense and disturbing thriller reaches its strangely serene, but brutally violent and disturbing closing moments.