NBC’s “The Voice,” which had been picking up ratings steam on its way to finale night, met some resistance Tuesday in the form of the Republican Debate on CNN, but still finished with good numbers.

According to preliminary national estimates from Nielsen, the two-hour “Voice” finale averaged a 2.9 rating/9 share in adults 18-49 and 12.6 million viewers overall from 9 to 11 — the highest Tuesday rating for the show since Sept. 29 but down 0.3 from Monday’s strong result for the final performance episode of the season. Last night’s 18-49 rating was down 12% from the year-ago “Voice” finale (3.3) and off just a bit in total viewers (from 12.9 million), but was on par with the show’s spring-finale demo rating from May (2.9) while up 9% in total viewers (from 11.55 million).

Ratings for the CNN Republican Debate will be released later today by Nielsen, but early indications are that it drew the night’s largest audience. In the metered-market overnights, CNN averaged an 11.6 household rating/19 share from 8:45-11:15 p.m. ET, up sharply from the 9.1 generated for the most recent GOP debate on Fox Business Network in November, which translated into about 13.5 million viewers.

CBS held up very well opposite the strong competition from “The Voice” and the CNN Republican Debate with original episodes of its regular Tuesday dramas “NCIS” (2.1/7 in 18-49, 15.4 million viewers overall), “NCIS: New Orleans” (1.6/5 in 18-49, 12.0 million viewers overall) and “Limitless” (1.3/4 in 18-49, 6.6 million viewers overall). All three were in line with their prior results, which were on the low end of their season range, and “NCIS” stood as the night’s most-watched broadcast.

It was repeats elsewhere, with ABC doing best with encores of “Toy Story That Time Forgot” (1.1/4 in 18-49, 3.6 million viewers overall), “Shrek the Halls” (1.0/3 in 18-49, 3.3 million viewers overall), “I Want a Dog For Christmas, Charlie Brown” (1.0/3 in 18-49, 3.3 million viewers overall) and “Shark Tank” (0.8/2 in 18-49, 2.5 million viewers overall).

Fox aired repeats of “Grandfathered” at 8 (0.6/2 in 18-49, 2.1 million viewers overall) and 9 (0.4/1 in 18-49, 1.3 million viewers overall), and “The Grinder” at 8:30 (0.5/2 in 18-49, 1.6 million viewers overall) and 9:30 (0.4/1 in 18-49, 1.2 million viewers overall). CW went with rebroadcasts of “The Flash” (0.3/1 in 18-49, 1.2 million viewers overall) and “iZombie” (0.2/1 in 18-49, 0.6 million viewers overall).