Ratings: XL X Factor Matches Series High, NCIS: LA Looks Strong, Man Up Is Down

The X Factor‘s first and super-duper-sized live show is poised to set an all-time ratings high for the freshman reality competition.

On Tuesday night, the 150-minute songfest averaged 11.8 million total viewers while scoring a 4.3 demo rating. At minimum, that’s the show’s best numbers since its September bow, but once the final figures come in, Fox notes, X Factor is likely to surge past its record rating of 4.4.

UPDATE: X Factor wound up with a 4.4, tying its all-time high.

Michael Slezak’s X Factor Live Show Recap: The Pledge of 17

Elsewhere on Tuesday:

8 pm | NCIS dominated, and led the night in total audience, with 19 million viewers; it’s 4.0 rating also bested the first hour of X Factor. ABC’s Last Man Standing (9.82 mil/2.8) dipped 10 percent in the demo, while lead-out Man Up (6.8 mil/1.9) dropped 13 and 21 percent from its premiere. The Biggest Loser held steady at 5.45 mil/1.9.

9 pm | NCIS: Los Angeles led the hour in viewers (with 15.9 mil) and placed second in the demo (3.7) behind X Factor. Up 9 percent with the coveted 18-49 crowd, that is LA‘s best rating since Feb. 22. Dancing With the Stars‘ results show (13.8 mil/2.5) dipped a bit in the demo week-to-week.

Dancing With the Stars Results: Did the Right Couple Go Home This Week?

10 pm | CBS’ Unforgettable, which just got a full-season order, held steady at 11.3 million total viewers and a 2.5 rating. Body of Proof (9.64 mil/1.8) drew a few more eyeballs but dipped 5 percent in the demo.

What were you tuned into this Tuesday? Is last night’s X Factor still going on…?