In its original American broadcast, "Johnny and Dora" was seen by an estimated 2.35 million household viewers and gained a 1.1/4 ratings share among adults aged 18–49, according to Nielsen Media Research. This was a slight decrease in viewership from the previous episode, which was watched by 2.56 million viewers with a 1.3/4 in the 18-49 demographics. This means that 1.1 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 third most watched show on FOX for the night, beating "Bob's Burgers" but behind "Family Guy", and "The Simpsons", third on its timeslot and fifth for the night, behind "The Simpsons", "Family Guy", "America's Funniest Home Videos", and the "2015 Billboard Music Awards".