Fox's competitors lost out in the ratings to the World Series, though it was the least-watched ever.
The Giants' four-game victory over the Detroit Tigers was enough to put Fox atop last week's Nielsen Co. ratings. CBS was close behind on the strength of its regular programming, including top-rated series "NCIS."
The fall classic averaged 12.7 million viewers, the smallest number since Nielsen began using its People Meters viewing counter in 1987.
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