Kim Raver and Giancarlo Esposito Kim Raver and Giancarlo Esposito

Good news first: Revolution topped the 10 o'clock timeslot Monday. The bad news: It dropped to its lowest rating to date.

The NBC drama slipped 7 percent to 7.1 million viewers and a 2.6 in the adults 18-to-49 demographic behind lead-in The Voice (11.5 million, 4.3), which also fell slightly. Revolution still topped Hawaii Five-0 (7.7 million, 2.0), which was flat, and Castle (10.7 million, 2.1), which was up, in the demo, but it was the least-watched show among the three.

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