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More than a third of homes with TVs also have DVRs now, which is causing ever-larger shifts in ratings between live viewing and the "live plus 7" numbers that Nielsen gathers to show how many people watch a show within a week of its initial airing.<br>
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In some cases, it's the rich getting richer: The "Grey's Anatomy" season premiere added close to 3 million viewers, more than any other show in the week of Sept. 21. "The Mentalist," "House" and "CSI" all added more than 2 million viewers. But shows farther down the ratings, like "Dollhouse" and "Fringe," grew their ratings by the largest percentage from their initial airing.<br>
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Take a look at the shows that grew by 20 percent or more with DVR usage during the week of Sept. 21.<br>
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-- Rick Porter, <a href="http://www.zap2it.com">Zap2it</a><br>
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<b>Related:</b><br>
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<a href="http://blog.zap2it.com/frominsidethebox/2009/10/tv-ratings-report-dvrs-make-the-rich-and-poor-richer.html">DVRs make the rich (and poor) richer</a>

TV's most-DVR'd shows, week of Sept. 21

( FOX, The CW, NBC )

More than a third of homes with TVs also have DVRs now, which is causing ever-larger shifts in ratings between live viewing and the "live plus 7" numbers that Nielsen gathers to show how many people watch a show within a week of its initial airing.

In some cases, it's the rich getting richer: The "Grey's Anatomy" season premiere added close to 3 million viewers, more than any other show in the week of Sept. 21. "The Mentalist," "House" and "CSI" all added more than 2 million viewers. But shows farther down the ratings, like "Dollhouse" and "Fringe," grew their ratings by the largest percentage from their initial airing.

Take a look at the shows that grew by 20 percent or more with DVR usage during the week of Sept. 21.

-- Rick Porter, Zap2it

Related:

DVRs make the rich (and poor) richer