Genre Swapping! Movies that flip genre in mid-viewing

You ever watch a movie of a particular genre and have it flip genres right in front of you, leaving you wondering what the heck just happened? We have! And we talk about them for an hour! Some are on the bubble, while others make your head explode - and while it could be a recipe for disaster (or at least crappiness), these are the films where it works. Have a listen!