Ratings: NCIS Returns (Very) Strong, Vegas Looks Flush, DWTS and Go On Drop

TV’s most watched drama isn’t ceding that title any time soon.

CBS’ NCIS dominated Premiere Tuesday, as its Season 10 opener delivered 20.2 million total viewers while scoring a 4.1 rating. Those tallies mark a slight uptick in audience from Season 9’s premiere, and a demo dip of just two tenths.

Leading out of that, NCIS: LA did 16.7 mil/3.4, which likewise only saw a decline in the demo, of just two tenths year-over-year.

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The debut of Vegas capped CBS’ winning night, as the retro crime drama opened to 14.7 million total viewers and a 2.5 rating, besting all broadcast rivals in the 10 o’clock hour on both counts. (If Vegas‘ numbers hold, CBS notes, it’ll be the Eye’s most watched Tuesday-at-10 drama debut in 10 years (since Judging Amy); a rival in turn whispers it’d be CBS’ lowest-rated drama debut since Century City circa 2004.

Versus Unforgettable‘s own year-ago launch (14 mil/2.9), Vegas drew more viewers but a smaller demo.

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Elsewhere on the night….

* Over on Fox, both new installments of New Girl did about 5.3 mil and a 2.7, down slightly from where the comedy’s freshman finale left things. (Yes, New Girl debuted last fall to 10.3 mil and a 4.8, but that was off of a much stronger lead-in in Glee.) Playing out of the first Girl, Ben and Kate‘s debut retained 4.2 mil/2.0, while The Mindy Project held onto 4.7 mil/2.4 following Jess’ second outing, improving on Raising Hope‘s Season 2 average in several demos.

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* On NBC, The Voice (11.3 mil/4.0) saw its numbers drop some 15 percent with NCIS now in the mix. Facing New Girl, Go On (7.3 mil/3.4) dropped 20 percent week-to-week, while The New Normal (5.24 mil/2.0) slipped 14 and 9 percent versus Mindy. Against more robust competition, Parenthood impressively held steady with 4.8 million viewers and a 1.8 rating.

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* Dancing With the Stars‘ bloated first results show opened ABC’s night with 11.6 million total viewers and a 2.0 rating, plunging 22 and 31 percent from last fall’s first elimination night. Private Practice returned to 6.6 mil and a 1.9, up just a hair from its Season 5 finale.

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COMING NEXT TUESDAY: Raising Hope (now at 8 pm) and Hart of Dixie return.