I feel sometimes on here that i'm only scratching the surface of the almighty internet but regardless: RunPee is a site that lets you know when's the best time to go pee during a film. Obviously there is the possibility of minor spoilers but overall it is done at a time when you will be missing the least amount of important action. For example:
The site is here http://runpee.com/ and i advise you use it next time you're heading to the cinema.
