Buffalo Bills at Kansas City Chiefs
Nielsen average audience: 17,520,000 viewers (final), per Sports Media Watch.
- Aired
- 2021-10-10 Sunday
- Networks
- NBC
- Away
- Buffalo Bills
17,520,000
Nielsen avg audience · via press
single source · final
figures last changed 2026-08-27
Published figures
JSONNielsen1 figure
17,520,000
17.52MSports Media Watch, verbatim
1 press attribution · no provider-published figure · single source
press-attributed = reported by press citing the provider
press-attributed = reported by press citing the provider
NFL 2021 season
Week 5 of 18 · 27th of 70 published NFL figures in the 2021 season
Site-computed over the season's chart-eligible Nielsen average figures · computed 2026-10-30 22:04 UTC
Prior-season comparable
15,080,000
2020-10-11 · NBC · Nielsen, final · Sports Media Watch
+16.2% vs the comparable
Site-computed: same league, same weekday, both on NBC, nearest to 52 weeks earlier; Nielsen average, final or revised.
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