You're settled into your seat, watching a movie that's pulled you in, you're fully engrossed in the on-screen action ... and you get that feeling. You gotta go. But you don't want to miss anything! All you need to do is tell this app, available for iOS, Android, and Windows Phone, what movie you're watching, and it will tell you the most opportune time to take a pit stop. As a bonus, it'll tell you if you need to stick around for any post-credits extra scenes.