Sicko (Brooklyn Nine-Nine)

"Sicko" is the seventeenth episode of the sixth season of the American television police sitcom series Brooklyn Nine-Nine, and the 129th overall episode of the series. The episode was written by Justin Noble and directed by Matthew Nodella. It aired on May 16, 2019 on NBC, airing back-to-back with the next episode, "Suicide Squad".

The show revolves around the fictitious 99th precinct of the New York Police Department in Brooklyn and the officers and detectives that work in the precinct. In this episode, Jake and Boyle investigate a murder and face pressure from Commissioner Kelly to use his new app which allows civilians to submit evidence to the police, while also facing pressure from Holt not to do so. Meanwhile, Terry faces transference to another precinct as the precinct won't cover his Lieutenant status raise.

According to Nielsen Media Research, the episode was seen by an estimated 1.63 million household viewers and gained a 0.5/3 ratings share among adults aged 18–49. The episode received positive reviews from critics, who praised the writing and the surveillance theme, with many expressing that it perfectly sets up the season finale.