Saturday Primetime Results:

NBC was the top non-sports choice among the Big 4 networks Saturday night in adults 18-49 and total viewers, with "Dateline Saturday Night Mystery" the #1 non-sports primetime telecast on those nets in total viewers and the 10 p.m. "Saturday Night Live" encore the #1 primetime show, excluding sports, on the Big 4 in adults 18-34, 18-49 and 25-54.

· "Dateline Saturday Night Mystery" (0.8/3 in 18-49, 4.8 million viewers overall) was #1 in the time period among the Big 4 networks, excluding sports, in adults 18-49, adults 25-54 (1.1 rating) and total viewers and is the #1 primetime non-sports telecast of the night on those networks in total viewers. From its first half-hour to its fourth, "Dateline Saturday Night Mystery" grew by +67% in 18-49 rating (to a 1.0 rating from a 0.6), +75% in adults 25-54 (to a 1.4 rating from a 0.8) and +40 or 1.6 million persons in total viewers (5.6 million vs. 4.0 million).

· In its six weeks on the schedule, "Dateline Saturday Night Mystery" has generated NBC's six top total-viewer results in the time period, excluding sports, in more than two years (since Jan. 21, 2012).

· A rebroadcast of "Saturday Night Live" (1.0/3 in 18-49, 3.3 million viewers overall from 10-11 p.m. ET), with host Anna Kendrick and musical guest Pharrell, scored the highest 18-49 and total-viewer results for these 10 p.m. rebroadcasts since Feb. 1 (with host Jonah Hill and musical guest Bastille, 1.2/4 in 18-49, 3.6 million viewers overall). This week's "SNL" 10 p.m. encore jumped versus the prior week's rebroadcast by +43% in 18-49 rating (to a 1.0 from a 0.7) and by +36% in total viewers (3.278 million vs. 2.419 million). In the 10 p.m. hour, the "SNL" encore is the #1 non-sports telecast on the Big 4 nets in adults 18-34, 18-49 and 25-54 and other key demos, and for the night, the "SNL" rebroadcast is the top non-sports primetime program on those nets in adults 18-34 (with a 0.6 rating), adults 18-49 (1.0) and adults 25-54 (1.3).

· For the season, this is the second-best 10 p.m. "Saturday Night Live" encore in total viewers among 18 rebroadcasts in the slot and tied for the #2 encore in adults 18-49.

In Late-Night Metered-Market Household Averages for Saturday Night:

· "Saturday Night Live," with host Seth Rogen and musical guest Ed Sheeran, averaged a 3.9/10 in household results in Nielsen's 56 metered markets and a 2.1/10 in adults 18-49 in the 25 markets with Local People Meters, making it the #1 telecast of the night on the Big 4 networks in metered-market households and 18-49 rating in the Local People Meters ahead of all primetime programs on the Big 4 networks in both categories.

NOTE: All ratings are "live plus same day" from Nielsen Media Research unless otherwise indicated.