Big ratings for Big Bang

CBS won big on Monday night, led by “Big Bang Theory.” Meanwhile, it looks like the decision by Fox to preempt ratings leader “House” for a Carrie Underwood Christmas special was a boo-boo.

Monday Overnight Nielsen ratings Ratings/Share Adults 18-49 4.1/11 2.3/6 2.2/6 1.5/4 1.5/4 1.2/3 Adults 18-34 3.2/9 1.9/5 1.5/4 1.6/5 1.2/3 1.6/5 Total Viewers (millions) 12.20 8.54 7.45 3.99 5.67 2.405

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