Thursday night's Game 5 of the American League Championship Series between the Boston Red Sox and Detroit Tigers delivered a 5.4/9 national household rating (8.6 million viewers) on Fox, according to Nielsen Media Research.
That is 23 percent higher than last year's 4.4/8 (7.1 million viewers) for Game 5 of the National League Championship Series on Fox between the San Francisco Giants and St. Louis Cardinals.
The ALCS won the night's ratings in male 18-34, male 18-49 and tied for first in adults 18-34 demographics.
Boston's win peaked at a 6.0/12 (9.0 million viewers) from 11:30 p.m.-11:58 p.m. ET.
Locally, Detroit delivered a 32.9/49 while Boston recorded a 25.9/44.
Through five games, the ALCS on Fox is averaging a 4.7/8 national household rating (7.5 million viewers), which is 27 percent better than last year's 3.7/6 (5.9 million viewers) for the NLCS on Fox.