NBC ratings notes for Tuesday, Dec. 2

· NBC wins the night in the 18-49 demo with a 1.8/5 among the Big 4 networks.

· NBC saw week-to-week increases in three of its shows Tuesday in 18-49 ("The Voice," "Marry Me" and "About a Boy," with "Chicago Fire" being flat) and total viewer increases in all four shows.

· "The Voice" (8-9 p.m.) wins the 8 o'clock timeslot with a 2.6/8, which is .3 better than last Tuesday's 18-49.

· "The Voice" drew 11.1 million total viewers, an increase of 1.7 million from a week ago (9.4 million).

· "The Voice" rose in its second half-hour in both the demo and total viewers.

· At 9 p.m., "Marry Me" drew a 1.4/4 in the 18-49 demo. Like "The Voice," that's also up .3 from last week.

· In total viewers, "Marry Me" drew 4.9 million, an increase of 1.4 million from a week ago (3.5 million).

· At 9:30, "About a Boy" drew a 1.1/3, which was up .1 from last Tuesday.

· In total viewers, "About a Boy" drew 4.3 million viewers, up from last Tuesday's 3.1 million viewers.

· At 10 p.m., "Chicago Fire" garnered a 1.6/5, flat from a week ago. It's 7.3 million total viewers was a 1.3 million increase from a week ago.

· "Chicago Fire" rose in the second half-hour in total viewers, which is very unusual for a 10 p.m. show.