Updated Wednesday Ratings: ‘Big Brother 21’ Season Finale on CBS Wins 10 p.m. Hour Among Young Adults

What follows are the fast affiliate results for Wednesday, September 25. These results are time period based and are only approximate.

• Total Viewers (in millions):
  Fox: 7.90 million, NBC: 7.05, CBS: 5.26, ABC: 3.97, CW: 0.61

• Adults 18-49 (rating / share):
  Fox: 2.2 rating/12 share, CBS: 1.2/ 6, NBC: 1.1/ 5, ABC: 0.8/ 4, CW: 0.2/ 1

• Adults 18-34 (rating / share):
  Fox: 1.7 rating/12 share, CBS: 0.9/ 6, NBC: 0.6/ 4, ABC: 0.4/ 3, CW: 0.1/ 1

• Adults 25-54 (rating / share):
  Fox: 3.2 rating/12 share, CBS and NBC: 1.6/ 6 each, ABC: 1.1/ 1, CW: 0.2/ 1

8:00 PM

ABC – The Goldbergs (season premiere)
Viewers: 4.48 million (#4), Adults 18-49: 1.0/5 (#3),
Adults 18-34: 0.4/3 (#4), Adults 25-54: 1.4/6 (#4)

CBS – Survivor: Island of the Idols (season premiere)
Viewers: 6.48 million (#3), Adults 18-49: 1.3/7 (#2),
Adults 18-34: 0.8/6 (#2), Adults 25-54: 1.9/8 (#2)

NBC – Chicago Med (season premiere)
Viewers: 7.26 million (#1), Adults 18-49: 1.0/5 (#3),
Adults 18-34: 0.5/4 (#3), Adults 25-54: 1.5/6 (#3)

Fox – The Masked Singer (season premiere)
Viewers: 7.04 million (#2), Adults 18-49: 2.2/11 (#1),
Adults 18-34: 1.5/11 (#1), Adults 25-54: 2.8/12 (#1)

CW – Penn & Teller: Fool Us (repeat)
Viewers: 0.82 million (#5), Adults 18-49: 0.2/1 (#5),
Adults 18-34: 0.1/1 (#5), Adults 25-54: 0.3/1 (#5)

8:30 PM

ABC – Schooled (season premiere)
Viewers: 3.44 million (#4), Adults 18-49: 0.8/4 (#4),
Adults 18-34: 0.3/2 (#4), Adults 25-54: 1.1/4 (#4)

CBS – Survivor: Island of the Idols (season premiere)
Viewers: 6.12 million (#3), Adults 18-49: 1.2/6 (#2),
Adults 18-34: 0.8/5 (#2), Adults 25-54: 1.8/7 (#2)

NBC – Chicago Med (season premiere)
Viewers: 7.57 million (#2), Adults 18-49: 1.1/5 (#3),
Adults 18-34: 0.5/4 (#3), Adults 25-54: 1.6/6 (#3)

Fox – The Masked Singer (season premiere)
Viewers: 7.88 million (#1), Adults 18-49: 2.5/12 (#1),
Adults 18-34: 1.7/12 (#1), Adults 25-54: 3.2/12 (#1)

CW – Penn & Teller: Fool Us (repeat)
Viewers: 0.71 million (#5), Adults 18-49: 0.2/1 (#5),
Adults 18-34: 0.1/1 (#5), Adults 25-54: 0.2/1 (#5)

9:00 PM

ABC – Modern Family (season premiere)
Viewers: 4.04 million (#4), Adults 18-49: 1.0/5 (#4),
Adults 18-34: 0.5/4 (#4), Adults 25-54: 1.4/5 (#4)

CBS – Survivor: Island of the Idols (season premiere)
Viewers: 6.27 million (#3), Adults 18-49: 1.3/6 (#2),
Adults 18-34: 0.8/5 (#2), Adults 25-54: 1.9/7 (#2)

NBC – Chicago Fire (season premiere)
Viewers: 7.23 million (#2), Adults 18-49: 1.1/5 (#3),
Adults 18-34: 0.6/4 (#3), Adults 25-54: 1.6/6 (#3)

Fox – The Masked Singer (season premiere)
Viewers: 8.26 million (#1), Adults 18-49: 2.6/12 (#1),
Adults 18-34: 1.8/12 (#1), Adults 25-54: 3.3/12 (#1)

CW – Hypnotize Me
Viewers: 0.45 million (#5), Adults 18-49: 0.1/1 (#5),
Adults 18-34: 0.1/1 (#5), Adults 25-54: 0.2/1 (#5)

9:30 PM

ABC – Single Parents (season premiere)
Viewers: 2.81 million (#4), Adults 18-49: 0.7/3 (#4),
Adults 18-34: 0.4/2 (#4), Adults 25-54: 1.0/4 (#4)

CBS – Big Brother 21 (season finale)
Viewers: 4.52 million (#3), Adults 18-49: 1.3/6 (#2),
Adults 18-34: 1.0/6 (#2), Adults 25-54: 1.5/6 (#3)

NBC – Chicago Fire (season premiere)
Viewers: 7.22 million (#2), Adults 18-49: 1.1/5 (#3),
Adults 18-34: 0.6/4 (#3), Adults 25-54: 1.6/6 (#2)

Fox – The Masked Singer (season premiere)
Viewers: 8.42 million (#1), Adults 18-49: 2.6/12 (#1),
Adults 18-34: 1.8/11 (#1), Adults 25-54: 3.3/12 (#1)

CW – Hypnotize Me
Viewers: 0.45 million (#5), Adults 18-49: 0.1/1 (#5),
Adults 18-34: 0.1/1 (#5), Adults 25-54: 0.1/1 (#5)

10:00 PM

ABC – Stumptown (series premiere)
Viewers: 4.61 million (#2), Adults 18-49: 0.7/4 (#3),
Adults 18-34: 0.4/3 (#3), Adults 25-54: 1.2/5 (#3)

CBS – Big Brother 21 (season finale)
Viewers: 4.06 million (#3), Adults 18-49: 1.2/6 (#1),
Adults 18-34: 0.9/7 (#1), Adults 25-54: 1.4/5 (#2)

NBC – Chicago PD (season premiere)
Viewers: 6.60 million (#1), Adults 18-49: 1.1/5 (#2),
Adults 18-34: 0.6/4 (#2), Adults 25-54: 1.5/6 (#1)

Fox – Local Programming
Viewers: 5.09 million, Adults 18-49: 1.3/6,
Adults 18-34: 0.7/5, Adults 25-54: 1.8/7

CW – Local Programming
Viewers: 1.07 million, Adults 18-49: 0.2/1,
Adults 18-34: 0.1/1, Adults 25-54: 0.3/1

10:30 PM

ABC – Stumptown (series premiere)
Viewers: 4.46 million (#2), Adults 18-49: 0.7/4 (#3),
Adults 18-34: 0.3/2 (#3), Adults 25-54: 1.1/5 (#3)

CBS – Big Brother 21 (season finale)
Viewers: 4.11 million (#3), Adults 18-49: 1.2/6 (#1),
Adults 18-34: 0.9/7 (#1), Adults 25-54: 1.4/6 (#2)

NBC – Chicago PD (season premiere)
Viewers: 6.44 million (#1), Adults 18-49: 1.1/6 (#2),
Adults 18-34: 0.6/5 (#2), Adults 25-54: 1.5/6 (#1)

Fox – Local Programming
Viewers: 3.63 million, Adults 18-49: 0.9/5,
Adults 18-34: 0.5/4, Adults 25-54: 1.3/5

CW – Local Programming
Viewers: 0.76 million, Adults 18-49: 0.2/1,
Adults 18-34: 0.1/1, Adults 25-54: 0.2/1

Source: Nielsen Media Research