The allure of the Hangover series really has to do with unlimited partying. Even in those movies the characters overdo it and go a little too hard for themselves, they can't handle that lifestyle like maybe they did in college. So what would it be like if they were senior citizens? Last Vegas wants to answer that question for you. Or rather Last Vegas wants to make money off of AARP members who think that Zach Galifianakis isn't that funny. Maybe this film will turn out to have a couple of laughs in it and find something in this hangover set up that the Hangover movies couldn't. Let's be honest though, this isn't going to be good.