February 23, 2011 at 04:52 PM EST

Image Credit: Patrick Wymore/CBSUPDATE: In the national Nielsen ratings update released Thursday morning, the race had tightened and Glee and NCIS are now tied.

PREVIOUS: The NCIS team tackled Fox’s Glee in the ratings Tuesday night, the ultra-veteran CBS crime procedural beating the musical comedy phenomena for the first time in the 18-49 adult demo.

NCIS delivered 21.3 million viewers and a 4.4 preliminary adult demo rating, just barely squeezing out Glee with 10.5 million viewers and a 4.3 rating. (NCIS typically wins Tuesday in total audience, but it’s the adult demo that advertisers covet and broadcasters primarily use to make their programming decisions.)

Still, Fox should have no complaints: Glee was up from last week, with Raising Hope (6.2 million, 2.5) and struggling newbie Traffic Light (4.1 million, 1.7) climbing slightly too.

Overall, CBS won the night with NCIS: LA (3.9) matching its season high. News wasn’t all sunny for CBS since The Good Wife (1.9) tied its series low.

Fox was in second place, with NBC third thanks to a steady The Biggest Loser (7.5 million, 2.7), followed by a slightly improved Parenthood (5.5 million, 2.1) that won 10 p.m.

ABC is having a rough time on Tuesdays. No Ordinary Family (4.8 million, 1.4) was down to a series low. V (5.1 million, 1.9) was steady, followed by Primetime (4.2 million, 1.4).

On the CW, One Tree Hill (2 million, 0.9) was up a tick, while Hellcats fell (1.7 million, 0.6) to its series low.

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