Kyra Sedgwick Kyra Sedgwick

Taking advantage of the networks' post-sweeps lull, TNT roars back in a big way this week, with tonight's winter return (for five episodes) of its two biggest hits, The Closer and Rizzoli & Isles, and starting Tuesday for the next month, a weekly series of first-run mystery movies on Tuesdays and Wednesdays. (More on that later this week.)

The Closer (8/7c) and Rizzoli (9/8c) each have similar starting points for this week's cases — the violent murder of an inner-city leader — but how they go about handling the story is an object lesson on why one show remains such potent entertainment midway through its final season and why the other is such a cartoonish bad joke.

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