This is truely top class tv show and I really love it. I will grant that my expectations were very low before watching NCIS - Season 17. Before you read this review and before I spoil you the story, watch the tv show, I highly recommend it. You just have to watch NCIS - Season 17. What determines the phenomenon of this tv show? It's realism, taking care of psychological probability?. I hope you're excited, so start watching it now!.