**Ratings Report for ABC News' "Nightline"

For the Week of Dec. 1, 2025

ABC NEWS' 'NIGHTLINE' RANKS NO. 1 IN ALL KEY TARGET DEMOS

'Nightline' Grows Week to Week in Adults 25-54 and Adults 18-49

Season to Date, 'Nightline' Leads 'Late Night with Seth Meyers' Across the Board, Beating the NBC Program in Adults 25-54 for the 3rd Consecutive Season

ABC News' "Nightline" ranked No. 1 in Total Viewers (811,000), Adults 25-54 (146,000) and Adults 18-49 (110,000) for the week of Dec. 1, 2025, based on Live+Same Day Big Data Plus Panel Program Ratings from Nielsen Media Research, leading NBC's "Seth Meyers" in all key target demos.

· "Nightline" saw gains on the same week last year in Adults 25-54 (+6% - 146,000 vs. 138,000) and Adults 18-49 (+36% - 110,000 vs. 81,000).

· Season to date, "Nightline" (1.001 million, 195,000 and 135,000, respectively) leads NBC's "Late Night with Seth Meyers" (972,000, 187,000 and 128,000, respectively) in Total Viewers, Adults 25-54 and Adults 18-49. In fact, "Nightline is ranking No. 1 in Adults 25-54 for the 3rd straight year.

· This week, "Nightline" covered former cult members speaking out about being indoctrinated by notorious NXIVM leader; new evidence being revealed in Luigi Mangione hearing; the murder trial for Brian Walshe, the husband accused of killing his wife; Matthew Perry's doctor being sentenced in an emotional court hearing; Josh Hutcherson starring in hit horror franchise, a decade after "Hunger Games" fame; Taylor Momsen talking about her new Christmas album and more.

ABC News' "Nightline" is late-night television's prestigious, award-winning news program featuring the most powerful, in-depth stories that shape our lives and the world around us. It is anchored by Juju Chang and Byron Pitts. Eman Varoqua is executive producer. The program airs weeknights from 12:35-1:05 a.m. ET on ABC. "Nightline" has also produced numerous original documentaries available on ABC News' digital platforms, Disney+ and Hulu.

WEEK OF DEC. 1, 2025:

PROGRAM AVERAGES TOTAL VIEWERS A25-54(000)/RTG A18-49(000)/RTG

ABC's "Nightline" 811,000 146,000/0.1 110,000/0.1

NBC's "Late Night" 686,000 134,000/0.1 98,000/0.1

Source: Nielsen, NTI Total Viewers, Adults 25-54 and Adults 18-49 National Live + Same Day Big Data Plus Panel Program Ratings. Current Week (w/o 12/1/25), Previous Week (w/o 11/24/25) and Year-Ago Week (w/o 12/2/24). Season to date: Most Current Data Stream: 2025-2026 Season (9/22 - 12/7/25) and 2024-2025 Season (9/23 - 12/8/24). Beginning 12/26/22, averages are based on Big Data Plus Panel ratings. Beginning 8/31/20, national ratings also include Out of Home (OOH) viewing. Averages based on regular telecasts.