瞄准南半球是由Scott  P.  Levy  执导，Jeff  Fahey  Richard  Tyson  Jack  Coleman  等人主演的，于1996年上映，该动作片讲述的是：A US submarine runs into a time rift. A special unit goes on a mission to see what’s on the other side. They find themselves in an alternate dystopian America, now a one-man dictatorship. They decide to help the rebels.