The “CSI” franchise pushed CBS to first place among total viewers for the ninth consecutive week, with “CSI,” “CSI: Miami” and “CSI: NY” dominating their respective time periods, according to figures from Nielsen Media Research. Fox took the mantel among adults 18 to 49, fueled by “American Idol.”

The rankings are for the week ended May 14, which was day 18 of the 28-day sweeps period. Thus far, CBS leads the sweeps race among total viewers, with Fox taking the top spot among 18 to 49.