Can you name two TV shows that were set in Seattle? How about "Frasier" and "Grey's Anatomy"?
--Can you name three shows that took place in Detroit? Those could be "Home Improvement", "8 Simple Rules" and "Freaks & Geeks".
--Can you think of a show that was set in Dallas . . . besides "Dallas"? How about "Walker, Texas Ranger"?
--If you aren't an all-star at this kind of bar-trivia, there's good news: Someone has put together a map of the U.S., with a list of what TV shows were set where, and it's pretty comprehensive. (--You can check it out on Buzzfeed.com.)