a handful of nonprofessional actor be terrorize by a prehistoric creature . this creature appear in about thirty second of marginal stop motion animation and but oh how you will long for that margin when for the rest of the movie the animation be replace by production assistant wave around an inner tube with teeth . no time for terror when this movie be hijack halfway through by these comic relief boat rental doofus and who suddenly become the lead character while but again you get ta admit watch them try to be funny be well than plod around after the sheriff . only at the end one of them get eaten and the other one be leave sit on a rock cry tear of loneliness that no fun .