"Halloween" is the sixth episode of the first season of the American television police sitcom series Brooklyn Nine-Nine.
The episode was seen by an estimated 3.77 million household viewers and gained a 1.5/4 ratings share among adults aged 18–49, according to Nielsen Media Research.
It is Halloween, but Amy Santiago (Melissa Fumero) is the only one who despises it, citing the low standard everyone makes of it.
Boyle, dressed as Mario Batali, tries to show Santiago the fun parts of Halloween, but she gets stuck with a used skeleton costume and keeps running into disgusting scenarios on the case.
Jeffords contacts the Catholic school and finds out that Diaz was a good student, but left voluntarily to enter a ballet academy.
The episode ends as Diaz attacks an escapee inmate, telling Jeffords that she left the ballet school for punching a classmate.
In its original American broadcast, "Halloween" was seen by an estimated 3.77 million household viewers and gained a 1.6/4 ratings share among adults aged 18–49, according to Nielsen Media Research.
With these ratings, Brooklyn Nine-Nine was the second most watched show on FOX for the night, beating Dads and The Mindy Project but behind New Girl, fourth on its timeslot and ninth for the night in the 18-49 demographics, behind The Goldbergs, New Girl, The Biggest Loser, Chicago Fire, Person of Interest, NCIS: Los Angeles, Agents of S.H.I.E.L.D., and NCIS.