In its original American broadcast, "USPIS" was seen by an estimated 3.04 million household viewers and gained a 1.5/4 ratings share among adults aged 18–49, according to Nielsen Media Research. This was a 33% decrease in viewership from the previous episode, which was watched by 4.53 million viewers with a 2.2/5 in the 18-49 demographics. This means that 1.5 percent of all households with televisions watched the episode, while 4 percent of all households watching television at that time watched it. With these ratings, "Brooklyn Nine-Nine" was the second most watched show on FOX for the night, beating "Mulaney", "Bob's Burgers" and "Family Guy" but behind "The Simpsons", fifth on its timeslot and sixth for the night, behind "The Simpsons", "Madam Secretary", "American Music Awards of 2014", "Football Night in America", and "NBC Sunday Night Football".