In its original American broadcast , " Ava " was seen by an estimated 3.88 million household viewers and gained a 1.7 / 5 ratings share among adults aged 18 – 49 , according to Nielsen Media Research . This was a 44 % increase in viewership from the previous episode , which was watched by 2.69 million viewers with a 1.3 / 4 in the 18-49 demographics . This means that 1.7 percent of all households with televisions watched the episode , while 5 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 '' The Last Man on Earth '' and '' Family Guy '' , but behind '' The Simpsons '' , fourth on its timeslot and fourth for the night , behind '' The Simpsons '' , '' American Music Awards of 2015 '' , and '' Sunday Night Football ''
American Music Awards of 2015
American Music Awards of 2015
Ava (Brooklyn Nine-Nine)