Sneaking into a movie is a time honored tradition, one that must be as old as cinema itself. It continues with the unrated Terrifier 3, which isn't hurting for those extra ticket sales; it's currently the number-one movie in America. Instead, Terrifier is sharing the wealth: according to distribution sources for The Hollywood Reporter, the family-friendly DreamWorks Animation picture The Wild Robot saw what's described as a "noticeable bump" in ticket sales over the long weekend. The distributors...