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Michael C. Hall, Dexter, Kim Kardashian, Kourtney Kardashian, Khloe Kardashian Odom

Randy Tepper/Showtime; Jake Holly/Startraksphoto.com

To stand out in the ever-expanding TV universe, it's good to be: (a) found in a tub of your own blood; (b) slapped by a Kardashian; (c) named Taylor; or (d) all of the above.

The answers—and more questions about The Sing-Off and Glee—in the latest ratings quiz:

1. How many people witnessed Dexter's season-finale shocker? A Showtime series-record 2.6 million. Now those are "live" TV viewers, mind you. There's no telling how many successfully found the online answer to their Google search: "watch dexter season 4 episode 12."

2. Why are congratulations in order for the Kardashians? First off, Kourtney Kardashian welcomed her and (Khloé-slapped) Scott Disick's baby on Monday. And not quite secondly, the clan's Keeping Up With the Kardashians blew up Sunday with 4.1 million viewers. The slap-happy season opener (see: Disick reference) hit E! all-time highs among Kardashian-aspiring young adults and women. (E! Online is a division of E! Networks.)

3. Taylor Lautner or Taylor Swift? Both scored big numbers as Saturday Night Live host, but scoreboard honors go to Lautner, whose weekend appearance pulled in the show's best overnight ratings of the season.

4. Glee or The Sing-Off? There are no losers among the tuneful and peppy. Technically, the Glee fall finale (8.1 million) drew a bigger crowd than last night's Sing-Off opener (estimated 6.9 million). Sing-Off gets extra credit for being an upgrade for NBC over its usual 8-10 p.m. Monday occupants, Heroes and Trauma

Stay tuned for more results and Nielsen factoids.