The best cop shows in TV history

There have been dozens of terrible police procedurals, but we've had some good cop shows too. That list includes Southland, Streets of San Francisco, Hill Street Blues, Barney Miller, and The Wire. What are the best cop shows in television history? What makes those good shows good? In this week's podcast, Jim and Doug go to Hollywood and talk about their favorites. Add your favorites in the comments section below - movies too, if you want.