MLB American League Championship Series is a U.S. television program shown on FS1. American League Championship Series is watched by a total number of 3,540,000 people (1.1% rating, down -31% from yesterday) per the daily audience measurement on . American League Championship Series is also shown on TBS, TruTV since October 2024, FOX, FS1 (as MLB American League Championship Series on FOX), FS1 (as MLB American League Championship Series on Fox Deportes) since October 2025, Fox Deportes and TruTV (as MLB ALCS Alt Cast) since October 2024.
Demographic breakdown of the most recent historical ratings of MLB American League Championship Series on FS1 as of Monday, October 20, 2025.
| American League Championship Series Daily Ratings | |||
|---|---|---|---|
| Date | Demo | Audience | Rating |
| 2025-Oct-20 GAME 7: SEATTLE MARINERS AT TORONTO BLUE JAYS | HH | 2,129,000 | 1.66 |
| P2+ | 3,540,000 | 1.10 | |
| P18-49 | 1,112,000 | 0.82 | |
| P25-54 | 1,277,000 | 1.02 | |
| 2025-Oct-19 SEATTLE/ | HH | 3,090,000 | 2.41 |
| P2+ | 5,141,000 | 1.59 | |
| P18-49 | 1,482,000 | 1.09 | |
| P25-54 | 1,664,000 | 1.32 | |
| 2025-Oct-17 TORONTO/ | HH | 2,394,000 | 1.87 |
| P2+ | 3,948,000 | 1.22 | |
| P18-49 | 1,031,000 | 0.76 | |
| P25-54 | 1,213,000 | 0.97 | |
| 2025-Oct-16 GAME 4: TORONTO BLUE JAYS AT SEATTLE MARINERS | HH | 1,923,000 | 1.50 |
| P2+ | 2,964,000 | 0.92 | |
| P18-49 | 782,000 | 0.57 | |
| P25-54 | 935,000 | 0.74 | |
| 2025-Oct-15 GAME 3: TORONTO BLUE JAYS AT SEATTLE MARINERS | HH | 2,932,000 | 2.29 |
| P2+ | 4,584,000 | 1.42 | |
| P18-49 | 1,379,000 | 1.01 | |
| P25-54 | 1,571,000 | 1.25 | |
| 2025-Oct-13 SEATTLE/ | HH | 787,000 | 0.61 |
| P2+ | 1,227,000 | 0.38 | |
| P18-49 | 392,000 | 0.29 | |
| P25-54 | 395,000 | 0.31 | |
| 2023-Oct-22 L: TEXAS/ | P2+ | 4,769,000 | 1.51 |
| P18-49 | 1,478,400 | 1.12 | |
| 2023-Oct-20 GAME 5: HOUSTON ASTROS AT TEXAS RANGERS L: HOUSTON/ | P2+ | 4,222,000 | 1.34 |
| P18-49 | 1,213,500 | 0.92 | |
| 2023-Oct-19 GAME 4: HOUSTON ASTROS AT TEXAS RANGERS L: HOUSTON/ | HH | 2,375,000 | 1.90 |
| P2+ | 3,664,000 | 1.16 | |
| P18-49 | 1,134,500 | 0.86 | |
| 2023-Oct-18 GAME 3: HOUSTON ASTROS AT TEXAS RANGERS L: HOUSTON/ | HH | 3,112,500 | 2.49 |
| P2+ | 4,640,000 | 1.47 | |
| P18-49 | 1,529,500 | 1.16 | |
| Rank | Program | Audience | Change |
|---|---|---|---|
| 1 | College Basketball: Big East | 152,000 | -4% |