Next to reality TV, the next most popular (i.e. numerous) type of TV show is the police procedural. How many different versions of CSI, Law & Order or NCIS do we need to see? And do we need to have yet another procedural on TV? Based on its premise, Castle doesn’t add anything except for a mystery writer tagging along with our detectives. What makes it work, is that the awesome Nathan Fillion plays that writer.

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