Castle

Fillion is the main reason to watch CASTLE. Charming and witty, his character brings some fun to what's otherwise a fairly standard cop procedural. As a fiction writer, his point of departure when examining a crime is to assume that the most unlikely, impossible-sounding explanation is what happened -- in other words, the exact opposite of his detective counterpart, who starts with the facts and moves on from there. Their interactions, as Becket dismisses Castle's outlandish suggestions and then slowly concedes he might have a point, are the best part of the show.

The weak points are the crimes themselves, which are often so formulaic that any veteran viewer of TV cop shows can immediately tell which suspects are red herrings and which minor characters will be back in the final act. Still, TV police squad rooms tend to be environments filled with stress and uncertainty, as the cops try to fit together meager clues; introducing a writer to mix up this well-known environment is a fun twist that elevates Castle from mediocrity.