UPDATED WITH FINALS: NBC won Tuesday’s ratings race in key demos with a two-hour episode of “The Voice” and a season-high performance by “Chicago Fire,” with the drama drawing roughly five times the number of young adults as ABC’s bumbling “Wicked City” in what is almost certainly its final airing on the night. The CW, meanwhile, continues to be a Tuesday player with its sophomore dramas “The Flash” and “iZombie,” which combined to lift the network to a No. 3 finish among the broadcasters in adults 18-49.

Among the viewing options on Tuesday was the fourth Republican primary debate of the year, which drew 13.454 million viewers on Fox Business Network from 9 to 11:06 p.m. ET. — a little below the CNBC debate of Oct. 28 (14.005 million, up against the World Series on Fox) but easily a record for the network, which averaged just 56,000 primetime viewers during the month of October. The “undercard” debate on FBN averaged 4.707 million viewers from 7 to 8:15 p.m. ET.

Looking at the night’s broadcast action, according to final “live plus same-day” national estimates from Nielsen, “The Voice” ruled its two-hour timeslot (2.7 rating/9 share in adults 18-49, 10.86 million viewers overall); it was the night’s No. 1 program in 18-49 (matching its highest rating since Sept. 29) as well as 25-54 (3.8/10) and 18-34 (1.7/7). And with a stronger lead-in, “Chicago Fire” (2.0/7 in 18-49, 8.14 million viewers overall) hit season highs across the board. Last night’s result by “Fire” bodes well for next week’s launch of spinoff “Chicago Med,” which will air in the 9 o’clock hour.

At CW, “The Flash” battled Zoom and it resulted in a strong 1.5/5 in 18-49 and 3.63 million viewers overall in the 9 o’clock hour — beating the comedies on both ABC and Fox in the demo. “Flash” matched its season highs in 18-49 while setting a season high in men 18-49 (1.9/6) and ranked No. 1 for its hour in men 18-34 (1.4/7) and No. 2 in 18-34 (1.2/5, behind only “The Voice”). “iZombie” is coming around too (0.6/2 in 18-49, 1.40 million viewers overall), holding steady in 18-49, rising in adults 18-34 (to 0.6/3) and hitting a series high in men 18-34 (0.7/3), pending updates.

At ABC, both “The Muppets” (1.2/4 in 18-49, 3.94 million viewers overall) and “Fresh Off the Boat” (1.3/4 in 18-49, 3.77 million viewers overall) experienced surprising week-to-week declines while the competition held steady, and both shows hit lows. “Marvel’s Agents of SHIELD” was also low (1.3/4 in 18-49, 3.49 million viewers overall) but it looks like a giant next to the network’s 10 p.m. show, “Wicked City,” whose 0.4 rating in 18-49 is the lowest for any firstrun Big Four telecast this season. Its seems highly unlikely that ABC would keep the serial-killer limited series, which drew just 1.69 million viewers overall, on its schedule another week.

CBS had a solid night with its crime dramas “NCIS” (2.3/7 in 18-49, 16.68 million viewers overall), “NCIS: New Orleans” (1.7/5 in 18-49, 12.39 million viewers overall) and “Limitless” (1.5/5 in 18-49, 7.09 million viewers overall). “NCIS” was steady week to week and was the night’s No. 1 scripted program in 18-49 and No. 1 overall in total viewers, and “NCIS: New Orleans” was down a bit from last week but still at a good number considering the tougher “Voice” competition in the hour. And at 10, “Limitless” was steady and remains the network’s best-looking new show of the fall.

Fox was about average with its low-rated “Grandfathered” (1.0/3 in 18-49, 3.05 million viewers overall) and “The Grinder” (0.8/3 in 18-49, 2.56 million viewers overall), which will be assuming new Tuesday timeslots starting in January. “Scream Queens” was down at 9 to its low (0.9/3 in 18-49, 2.51 million viewers overall).