Calling all Nathan Fillion fans — the Castle star is back! The actor is playing John Nolan, an established man who leaves behind his small-town life to move to Los Angeles and finally pursue his dream of being a cop. He's the oldest in his rookie class at the academy, which is sure to lead to some awkward moments throughout the season. While you might giggle at times, this is firmly a drama.
Time slot: Tuesdays at 10 p.m.