 The 2.5 refers to 2.5% of all 18- to 49-year-olds in the U.S., and the 6 refers to 6% of all 18- to 49-year-olds watching television in the U.S. at the time of the broadcast.The episode ranked in first place, among men aged between 18–34, against all television being broadcast in the same timeslot.By comparison, CBS's "" was watched by 13.8 million viewers, a repeat of ABC's "Ugly Betty" was viewed by 6.5 million viewers and Fox's "Are You Smarter Than A 5th Grader?"