Some recent ratings highlights:
* America's Got Talent on Tuesday tallied an audience of 11.3 million total viewers - a drop of 12 percent from its previous premiere, but still the night's most watched program. Its second outing dipped 8 percent, to 10.39 mil.
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* I'm a Celebrity...Get Me Out of Here! at long last signed off, before a crowd of 4.4 mil. That's a 31 percent plunge from its season premiere.
* Late Show with David Letterman last week topped The Tonight Show in viewers (averaging 3.46 mil vs. 3.32 mil). That's the first time that has happened for a full week of original broadcasts since December 2005.