CSI: Crime Scene Investigation 9 p.m., Channel 4
This repeat from last season features country singer Taylor Swift in her first - and inauspicious - acting role. But I mention the episode because it’s a good example of how the “CSI’’ writers have tried to stay inventive across nine seasons. As Nick pieces together three murders that occurred in the same motel over the course of a year, and deals with his own guilty conscience, the narrative washes in and out of chronology.