The X Factor The X Factor

The X Factor's debut might not have been Idol-like, but the show's Thursday night airing held steady, leading Fox to win the night.

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Simon Cowell's latest singing competition was virtually flat versus the previous night, averaging 12.1 million viewers over its two hours and dipping only slightly in the adults-18-to-49 demo.

Meanwhile, many freshman network dramas debuted modestly. CBS' Person of Interest drew 13.2 million viewers at 9/8c, but placed fourth in the demo behind X Factor, the first hour of Grey's Anatomy (10.1 million viewers) and NBC's combo of The Office (7.6 million viewers) and new comedy Whitney (6.3 million viewers).

ABC's Charlie's Angels and NBC's Prime Suspect also failed to make huge impacts with their premieres. At 8/7c, Angels drew 8.8 million viewers and placed third in the demo while Suspect pulled only 6 million viewers on its way to last place in the demo at 10/9c.

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CBS took second place overall for the night, thanks to a big one-hour premiere of The Big Bang Theory. The two episodes averaged 14.4 million viewers, and it was the night's highest-rated hour. At 10/9c, The Mentalist's return improved slightly on its Person of Interest lead-in, earning 13.4 million viewers.With X Factor out of the way, Grey's Anatomy's second hour improved to 10.5 million viewers, winning the demo for prime time's final hour and lifting ABC to third place overall for the night.NBC took fourth place on the night, as its non-Office comedies put up pretty grim numbers. Community drew 3.9 million viewers while 4.1 million tuned in for Parks and Recreation.On the CW, The Vampire Diaries and The Secret Circle were both down significantly from their premieres a week ago, drawing 2.4 million viewers and 2.1 million viewers, respectively.